C.N. Douglas, comp. Forty Thousand Quotations: Prose and Poetical. 1917.
Richelieu
A virtuous and well-disposed person, like a good metal, the more he is fired, the more he is fined; the more he is opposed, the more he is approved: wrongs may well try him, and touch him, but cannot imprint in him any false stamp.
Artifice is allowable in deceiving a rival; we may employ everything against our enemies.
Friendship is the medicine for all misfortune; but ingratitude dries up the fountain of all goodness.
If you give me six lines written by the hand of the most honest of men, I will find something in them which will hang him.
Ingratitude dries up the fountain of all goodness.
To know how to dissemble is the knowledge of kings.
To know to dissemble is the knowledge of kings.
Wise judges are we of each other!