Those who condemn the supreme certainty of mathematics feed on confusion, and can never silence the contradictions of the sophistical sciences which lead to eternal quackery.

Learning never exhausts the mind.

Simplicity is the ultimate sophistication.

A beautiful body perishes, but a work of art dies not.

To make a perfume, take some rose water and wash your hands in it, then take a lavender flower and rub it with your palms, and you will achieve the desired effect

Being willing is not enough. We must do.

Learning is the only thing the mind never exhausts, never fears, and never regrets.

There are three classes of people: those who see, those who see when they are shown, those who do not see.

Life is pretty simple: You do some stuff. Most fails. Some works. You do more of what works.

Whatever you do in life, if you want to be creative and intelligent, and develop your brain, you must do everything with the awareness that everything, in some way, connects to everything else.

When you put your hand in a flowing stream, you touch the last that has gone before and the first of what is still to come.

In Luke's Gospel, Jesus is never unkind to the weak. He treats Martha with humiliating honesty, just as he would treat the male disciples.

Anger will never disappear so long as thoughts of resentment are cherished in the mind. Anger will disappear just as soon as thoughts of resentment are forgotten.

The truth is, natural organisms have managed to do everything we want to do without guzzling fossil fuels, polluting the planet or mortgaging the future.

I knew I wanted to be some kind of artist from about 12. I met a neighbour who drew cartoons, and I had an idea I wanted to be a cartoonist - or something that involved Indian ink, at any rate.

Foolproof systems to not take into account the ingenuity of fools.

I received a D.Sc. from the University of London in 1992.

When I'm at home I practice everyday.

There never has been a period of history, in which the Common Law did not recognize Christianity as lying at its foundation.

If you want it to be, your heart can be your biggest and most powerful muscle in your body.