The man who is tenacious of purpose in a rightful cause is not shaken from his firm resolve by the frenzy of his fellow citizens clamoring for what is wrong, or by the tyrant's threatening countenance.
Seize the day [Carpe diem]: trust not to the morrow.
To please great men is not the last degree of praise.
It is no easy matter to say commonplace things in an original way.
To grow a philosopher's beard.
It is hard! But what can not be removed, becomes lighter through patience.