Energy may be likened to the bending of a crossbow; decision,to the releasing of a trigger.

The one you buy will be the only one that doesn't work.

He who chooses the beginning of the road chooses the place it leads to.

Nothing is so strong as gentleness, nothing so gentle as real strength

Stubborn and ardent clinging to one's opinion is the best proof of stupidity.

I think about the meaning of pain. Pain is personal. It really belongs to the one feeling it. Probably the only thing that is your own. I like mine.

What's done can't be undone.

The greatest of all mistakes is to do nothing because you think you can only do a little

One who deceives will always find those who allow themselves to be deceived.

As our case is new, we must think and act anew.

There is geometry in the humming of the strings. There is music in the spacing of the spheres.

Empty your cup so that it may be filled; become devoid to gain totality.

If you only read the books that everyone else is reading, you can only think what everyone else is thinking.

Each problem that I solved became a rule which served afterwards to solve other problems.

I think, therefore I am.

The future is uncertain but the end is always near.

You are braver than you believe, stronger than you seem, and smarter than you think.

A house is not a home unless it contains food and fire for the mind as well as the body.

There is no question climate change is happening. The only arguable point is what part humans are playing in it.

Every act of creation is first an act of destruction.

You are not a drop in the ocean. You are the entire ocean, in a drop.