The present is theirs; the future, for which I really worked, is mine.

Boys will be boys. And even that wouldn't matter if only we could prevent girls from being girls.

Old age, especially an honoured old age, has so great authority, that this is of more value than all the pleasures of youth.

The happiest is the person who suffers the least pain; the most miserable who enjoys the least pleasure.

We live in a society exquisitely dependent on science and technology, in which hardly anyone knows anything about science and technology.

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

Money is better than poverty, if only for financial reasons.

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

A beautiful thing never gives so much pain as does failing to hear and see it.

You can't live your life for other people. You've got to do what's right for you, even if it hurts some people you love.

Life has a certain flavour for those who have fought and risked all that the sheltered and protected can never experience.

My life didn't please me, so I created my life.

History has shown there are no invincible armies.

Exceptional claims demand exceptional evidence.

The knowledge of oneself will preserve that person from vanity.

Begin to see yourself as a soul with a body rather than a body with a soul.

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

I would rather entertain and hope that people learned something than educate people and hope they were entertained.

I desire to live in peace and to continue the life I have begun under the motto 'to live well you must live unseen'

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

It is easier to influence strong than weak characters in life.