He is twin-born with primal mysteries, and drinks of life at Times forgotten source.

Thou wilt find rest from vain fancies if thou doest every act in life as though it were thy last.

I was called a terrorist yesterday, but when I came out of jail, many people embraced me, including my enemies, and that is what I normally tell other people who say those who are struggling for liberation in their country are terrorists.

My heart is very weary and sad and alone, For its dreams like the fluttering leaves have gone, And why should I say behind.

Never lose a holy curiosity.

The difference between what we do and what we are capable of doing would suffice to solve most of the world's problems.

All these primary impulses, not easily described in words, are the springs of man's actions. 

The pursuit of truth does not permit violence on one's opponent.

Gullibility creates trust in things that are not worthy of trust.

After 2014, we will support a unified Afghanistan as it takes responsibility for its own future.

I have not failed. I've just found 10,000 ways that won't work.

Nature's imagination is so boundless compared to our own meager human imagination.