The man whose authority is recent is always stern.

In war, truth is the first casualty.

Words are the physicians of a mind diseased.

Human prosperity never rests but always craves more, till blown up with pride it totters and falls. From the opulent mansions pointed at by all passers-by none warns it away, none cries, 'Let no more riches enter!'.

To learn is to be young, however old.

I willingly speak to those who know, but for those who do not know I forget.

Wisdom comes alone through suffering.