Vanity of science. Knowledge of physical science will not console me for ignorance of morality in time of affliction, but knowledge of morality will always console me for ignorance of physical science.

I feel engulfed in the infinite immensity of spaces whereof I know nothing, and which know nothing of me, I am terrified The eternal silence of these infinite spaces alarms me.

All men have happiness as their object: there is no exception. However different the means they employ, they all aim at the same end.

Great and small suffer the same mishaps.

Love has reasons which reason cannot understand.

All is one, all is different. How many natures exist in man? How many vocations? And by what chance does each man ordinarily choose what he has heard praised?

What a difficult thing it is to ask someone's advice on a matter without coloring his judgment by the way in which we present our problem.