The next is Truthfulness.

Truthfulness means authenticity, to be true, not to be false -- not to use masks: whatsoever is your real face, show it... and at whatsoever the cost.

To be authentic means: to remain true to your own inner being. How to remain true? Three things have to be remembered. One, never listen to anybody, what they say for you to be: always listen to your inner voice & what it is saying to you.

Remember, be true to your inner voice. It may lead you in danger; then go into danger, but remain true to the inner voice. Then there is a possibility that some day one comes to a state where they can dance with inner fulfillment. Always look, the first thing is your being; and don't allow others to manipulate and control. And there are many: everybody is ready to control you, everybody is ready to change you, everybody is ready to give you a direction that you have not asked for. Everybody is giving you a guide for your life. The guide exists within; one carries their own blueprint within.

To be authentic means to be true to oneself. It is a very, very dangerous phenomenon; rare people can do that. But whenever people do it, they achieve. They achieve such beauty, such grace, such contentment, that you cannot imagine. If everybody looks so frustrated, the reason is that nobody has listened to their own inner voice.

Always listen to the inner voice, and don't listen to anything else. Thousand and one are the temptations around you because many people are there peddling their things. It is a supermarket, the world, and everybody is interested in selling his thing to you; everybody is a salesman. If you listen to too many salesmen you will become mad. Don't listen to anybody, just close your eyes and listen to the inner voice. That is what meditation is all about: to listen to the inner voice. This is the first thing.

Then the second thing --> If the first thing is done, only then the second becomes possible, which is: never wear a mask. If anger is there, be angry. It is risky, but don't smile, because that is to be untrue. But one has been taught that when they are angry, smile; then one's smile becomes false - like wearing a mask. ...just an exercise of the lips, nothing else. The heart full of anger, poison, and the lips smiling --  a false phenomenon.

Then the other thing also happens: when you want to smile you cannot smile. Your whole mechanism is topsy-turvy, because when you wanted to be angry, you weren't, when you wanted to hate you didn't. Now you want to love; suddenly you find that the mechanism doesn't function. Now you want to smile; you have to force it. Really your heart is full of smile and you want to laugh loudly, but you cannot laugh, something chokes in the heart, something chokes in the throat. The smile doesn't come, or even if it comes it is a very pale and dead smile. It doesn't make you happy. You don't bubble up with it. It is not a radiance around you.

And the third thing is about authenticity: always remain in the present -- because all falseness enters either from the past or from the future. That which has passed has passed -- don't bother about it. And don't carry it as a burden; otherwise it will not allow you to be authentic to the present. And all that has not come has not come yet -- don't unnecessarily be bothered about the future; otherwise that will come into the present and destroy it. Be true to the present, and then you will be authentic. To be here-now is to be authentic. No past, no future: this moment is all, this moment is the whole eternity.

These three things, and you attain what Patanjali calls truthfulness. Then whatsoever you say will be true. Ordinarily you think you have to be alert to say the truth. I'm not saying that. I am saying: you create authenticity -- and whatsoever you say will he true. An authentic man cannot lie; whatsoever he says will be true.

In yoga we have a tradition -- it may not even be possible for you to believe it; I believe it because I have known it, I experienced it: if a real, authentic man lies, the lie will become true, because an authentic man cannot lie. That's why in the old scriptures it is said, "If you are practicing authenticity, be alert not to say anything against anybody -- because it can become true." We have many stories of great seers who said something in anger, but they were so authentic....

You must have heard the name of Durvasa -- a great seer, authentic man. but if he says something, even he cannot cancel it. If he curses you, the curse is going to come true. If he says, "You will die tomorrow!" you will die tomorrow, because from that source of authenticity the lie is not possible. The whole existence follows an authentic man. And even then he cannot cancel it.

It is beautiful. That's why people go to great seers for their blessing: if they bless, it is going to come true. That is the meaning, nothing else. They go and they ask blessings. If the seer gives the blessings then they are not worried; it is going to happen now, because how can an authentic man say a lie? Even if it is a lie, it is going to be true. So I don't say, "Tell the truth." I say, "Be authentic and whatsoever you say is going to be true."

The Alpha & The Omega: The Yoga Sutras of Patanjali, Vol 5, Chapter 5