Aristotle on talking

It is the mark of an educated mind to be able to entertain a thought without accepting it.

Courage is the first of human qualities because it is the quality which guarantees the others.

Man is by nature a political animal.

A great many of those who ‘debunk’ traditional…values have in the background values of their own which they believe to be immune from the debunking process.

C. S. Lewis1898–1963The Abolition of Man

• Debate

It is better to keep your mouth closed and let people think you are a fool than to open it and remove all doubt.

Mark Twain1835–1910

If A is a success in life, than A equals x plus y plus z. Work is x; y is play; and z is keeping your mouth shut.

Albert Einstein1879–1955

• Success