Learning preserves the errors of the past as well as its wisdom.

No one who achieves success does so without acknowledging the help of others. The wise and confident acknowledge this help with gratitude.

The pursuit of mathematics is a divine madness of the human spirit.

Aristotle discovered all the half-truths which were necessary to the creation of science.

There are no whole truths: all truths are half-truths. It is trying to treat them as whole truths that plays to the devil.

Religion is what the individual does with his own solitariness. Thus religion is solitariness; and if you are never solitary, you are never religious.

It is impossible to meditate on time and the mystery of nature without an overwhelming emotion at the limitations of human intelligence.