Never question another man's motive. His wisdom, yes, but not his motives.

Never trust the advice of a man in difficulties.

Never trust a man who thinks his religion gives him all the answers.

Nobody will admit his own mental inferiority, even to himself.

No man who says, 'I'm as good as you,' believes it. He would not say it if he did.

never trust the words of a man who is not free.

Men intrinsically do not trust new things that they have not experienced themselves.

You cannot drag a man's conscience before any tribunal, and no one is answerable for his religious opinions to any power on earth.

If I am fool, it is, at least, a doubting one; and I envy no one the certainty of his self-approved wisdom.

If I am a fool, it is, at least, a doubting one; and I envy no one the certainty of his self-approved wisdom.

No man, I suppose, ever admits to himself candidly that he gets his living in a dishonourable way.

There is no man more dangerous than one who does not doubt his own rightness.

No man should have another man's voice in his head.

People never want to be told anything they do not believe already.