He who, when called upon to speak a disagreeable truth, tells it boldly and has done, is both bolder and milder than he who nibbles in a low voice and never ceases nibbling.
He who seldom speaks, and with one calm well-timed word can strike dumb the loquacious, is a genius or a hero.
Conscience is the sentinel of virtue.
There are three classes of men; the retrograde, the stationary and the progressive.
Mistrust the person who finds everything good, and the person who finds everything evil, and mistrust even more the person who is indifferent to everything.
He submits to be seen through a microscope, who suffers himself to be caught in a fit of passion.