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Wise men say nothing in dangerous times – Aesop
The one knowing what is profitable, and not the man knowing many things, is wise. – Aeschylus
A wise man who stands firm is a statesman, a foolish man who stands firm is a catastrophe. – Adlai Stevenson I
A wise man does not try to hurry history. Many wars have been avoided by patience, and many have been precipitated by reckless haste. – Adlai Stevenson I