To do a great right do a little wrong.

History repeats itself, first as tragedy, second as farce.

Science is the outcome of being prepared to live without certainty and therefore a mark of maturity. It embraces doubt and loose ends.

Close by the Rights of Man, at the least set beside them, are the Rights of the Spirit.

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

I never think of the future - it comes soon enough.

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

Some days you're the bug, some days you're the windshield.

Life is a tragedy when seen in close-up, but a comedy in long-shot.

A man who dares to waste one hour of time has not discovered the value of life.

Dictators ride to and fro upon tigers which they dare not dismount. And the tigers are getting hungry.

When someone leaves, it's because someone else is about to arrive.

I'd trade all my tomorrows for a single yesterday.

Life is what happens to you while you're busy making other plans.

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

Life is full of misery, loneliness, and suffering - and it's all over much too soon.

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

Life's pretty good, and why wouldn't it be? I'm a pirate, after all.

Life is tough, but it's tougher when you're stupid.

By putting forward the hands of the clock you shall not advance the hour.

No snowflake in an avalanche ever feels responsible.