Certain signs precede certain events.

If you want to keep your memories, you first have to live them.

The love of life is necessary to the vigorous prosecution of any undertaking.

Life is too short for long-term grudges.

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

It is not how old you are, but how you are old.

Crude classifications and false generalizations are the curse of organized life.

All my life I used to wonder what I would become when I grew up. Then, about seven years ago, I realized that I was never going to grow up - that growing is an ever ongoing process.

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

Don't cry for a man who's left you - the next one may fall for your smile.

A mother takes twenty years to make a man of her boy, and another woman makes a fool of him in twenty minutes.

If it is worth doing, it is worth overdoing.

A hospital bed is a parked taxi with the meter running.

Life is a difficult game. You can win it only by retaining your birthright to be a person.

Landlords, like all other men, love to reap where they never sowed.

Your purpose in life is to find your purpose and give your whole heart and soul to it.

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

Don't be too timid and squeamish about your actions. All life is an experiment. The more experiments you make the better.

Joy is what happens to us when we allow ourselves to recognize how good things really are.

I think the highest and lowest points are the important ones. Anything else is just...in between.

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