The best Quotations

It is the nature of ambition to make men liars and cheats, to hide the truth in their breasts, and show, like jugglers, another thing in their mouths, to cut all friendships and enmities to the measure of their own interest, and to make a good countenance without the help of good will.
- Sallust

Do you know the writers of the following quotations?

Quotation Prayer, among sane people, has never superseded practical efforts to secure the desired end. - writer
Quotation There is a heroism in crime as well as in virtue. Vice and infamy have their altars and their religion. - writer
Quotation Where there is great love, there are always wishes. - writer
Quotation Facts are ventriloquists dummies. Sitting on a wise man's knee they may be made to utter words of wisdom; elsewhere, they say nothing, or talk nonsense, or indulge in sheer diabolism. - writer
Quotation Wise men don't need advice. Fools won't take it. - writer
Quotation The ambitious will always be first in the crowd; he presseth forward, he looketh not behind him. More anguish is it to his mind to see one before him, than joy to leave thousands at a distance. - writer