To substitute judgments of fact for judgments of value is a sign of pedantic and borrowed criticism.

To call war the soil of courage and virtue is like calling debauchery the soil of love.

Never build your emotional life on the weaknesses of others.

The truth is cruel, but it can be loved, and it makes free those who have loved it.

I like to walk about among the beautiful things that adorn the world; but private wealth I should decline, or any sort of personal possessions, because they would take away my liberty.

That fear first created the gods is perhaps as true as anything so brief could be on so great a subject.

There are three traps that strangle philosophy: The church, the marriage bed, and the professor's chair.