The earth is like a spaceship that didn't come with an operating manual.

What would life be if we had no courage to attempt anything?

Freedom would be not to choose between black and white but to abjure such prescribed choices.

Nobody realizes that some people expend tremendous energy merely to be normal.

Someone's sitting in the shade today because someone planted a tree a long time ago.

There is no worse bitterness than to reach the end of your life and realized you have not lived.

If one's different, one's bound to be lonely.

One day, in retrospect, the years of struggle will strike you as the most beautiful.

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

There's place and means for every man alive.

Never, ever underestimate the power of 'Id Like that.

What is that you express in your eyes? It seems to me more than all the words I have read in my life.

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.

A life spent making mistakes is not only more honorable, but more useful than a life spent doing nothing.

Doubt must be no more than vigilance, otherwise it can become dangerous.

To protect our freedoms, it seems we're going to have to relinquish some of our freedoms for a short period of time.

The future starts today, not tomorrow.

What goes up must come down.

Life is too short, or too long, for me to allow myself the luxury of living it so badly.

Is it not enough that 'things are cruel and blind'? Must we also be cruel and blind?

In the end, it's not the years in your life that count. It's the life in your years.