The Bible is a wonderful source of inspiration for those who don't understand it.

Those who cannot remember the past are condemned to repeat it.

All the doctrines that have flourished in the world about immortality have hardly affected man's natural sentiment in the face of death.

There is a kind of courtesy in skepticism. It would be an offense against polite conventions to press our doubts too far.

If all art aspires to the condition of music, all the sciences aspire to the condition of mathematics.

The existence of any evil anywhere at any time absolutely ruins a total optimism.

Prayer is not a substitute for work; it is an effort to work further and be efficient beyond the range of one's powers.