That which is not forbidden, is not on that account permitted.
The study and knowledge of the universe would somehow be lame and defective were no practical results to follow.
Though laughter is allowable, a horse-laugh is abominable.
To remain ignorant of history is to remain forever a child
Nothing is more noble, nothing more venerable than fidelity.
No one has the right to be sorry for himself for a misfortune that strikes everyone.