God is clever, but not dishonest.

If you feed your mind as often as you feed your stomach, then you'll never have to worry about feeding your stomach or a roof over your head or clothes on your back.

Don't dream of being a good person, be a human being is valuable and gives value to life.

The only thing we can be certain of in this life is that we can be certain of nothing.

I prefer an attitude of humility corresponding to the weakness of our intellectual understanding of nature and of our own being.

What counts can't always be counted; what can be counted doesn't always count.

Good acts are like good poems. One may easily get their drift, but they are not rationally understood.