Civilization is first of all a moral thing. Without truth, respect for duty, love of neighbor, and virtue, everything is destroyed. The morality of a society is alone the basis of civilization.

Knowledge, love, power-there is the complete life.

Let the living live; and you, gather together your thoughts, leave behind you a legacy of feeling and ideas; you will be most useful so.

The obscure only exists that it may cease to exist. In it lies the opportunity of all victory and all progress. Whether it call itself fatality, death, night, or matter, it is the pedestal of life, of light, of liberty and the spirit. For it represents resistance -- that is to say, the fulcrum of all activity, the occasion for its development and its triumph.

[T]he habit of scientific analysis ... exhausts the material offered to it.

At bottom, everything depends upon the presence or absence of one single element in the soul - HOPE

Happiness has no limits, because God has neither bottom nor bounds, and because happiness is nothing but the conquest of God through love.