There are certain persons for whom pure Truth is a poison.
In a discussion, the difficulty lies, not in being able to defend your opinion, but to know it.
We can talk frankly about our defects only to those who recognise our qualities.
Conversation would be vastly improved by the constant use of four simple words: I do not know.
People are discontent; men are troubled; and the literature is excellent.
Everything that is in agreement with our personal desires seems true; everything that is not puts us in a rage.