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

Oaths are the fossils of piety.

In Greece wise men speak and fools decide.

Knowledge of what is possible is the beginning of happiness.

Fun is a good thing but only when it spoils nothing better.

Those who speak most of progress measure it by quantity and not by quality.

To attempt to be religious without practicing a specific religion is as possible as attempting to speak without a specific language.