Pain don't hurt.

When I let go of what I am, I become what I might be.

We keep moving forward, opening new doors, and doing new things, because we're curious and curiosity keeps leading us down new paths.

Your belief in God is merely an escape from your monotonous, stupid and cruel life.

We must all obey the great law of change. It is the most powerful law of nature.

I restore myself when I'm alone.

Your children are not your children. They are the sons and daughters of Life's longing for itself.

Losing your way on a journey is unfortunate. But, losing your reason for the journey is a fate more cruel.

Life is like a library owned by the author. In it are a few books which he wrote himself, but most of them were written for him.

You have to go on and be crazy. Craziness is like heaven.

Life is a journey, not a destination.

To live is the rarest thing in the world. Most people exist, that is all.

Every life has a measure of sorrow, and sometimes this is what awakens us.

Open your arms to change, but don't let go of your values.

The 'good old times'-all times, when old, are good.

You can find the entire cosmos lurking in its least remarkable objects.

Everything existing in the universe is the fruit of chance and necessity.

All my life I have tried to pluck a thistle and plant a flower wherever the flower would grow in thought and mind.

Today, more than ever before, life must be characterized by a sense of Universal responsibility, not only nation to nation and human to human, but also human to other forms of life.

The scientists of today think deeply instead of clearly. One must be sane to think clearly, but one can think deeply and be quite insane.

For life in general, there is but one decree: youth is a blunder, manhood a struggle, old age a regret.