Friend is sometimes a word devoid of meaning; enemy, never.

Science is continually correcting what it has said. Fertile corrections... science is a ladder... poetry is a winged flight... An artistic masterpiece exists for all time... Dante does not efface Homer.

...Man lives by affirmation even more than he does by bread.

Justice has its anger, my lord Bishop, and the wrath of justice is an element of progress. Whatever else may be said of it, the French Revolution was the greatest step forward by mankind since the coming of Christ. It was unfinished, I agree, but still it was sublime. It released the untapped springs of society; it softened hearts, appeased, tranquilized, enlightened, and set flowing through the world the tides of civilization. It was good. The French Revolution was the anointing of humanity.

Men become accustomed to poison by degrees.

Wisdom is a sacred communion.

Peace is the virtue of civilization. War is its crime.