Medicines are only fit for old people.

The advance and perfecting of mathematics are closely joined to the prosperity of the nation.

Put your iron hand in a velvet glove.

Do you know what is more hard to bear than the reverses of fortune? It is the baseness, the hideous ingratitude, of man.

Posterity alone rightly judges kings. Posterity alone has the right to accord or withhold honors.

A woman laughing is a woman conquered.

With audacity one can undertake anything, but not do everything.