And usually [the philosopher] philosophizes either in order to resign himself to life, or to seek some finality in it, or to distract himself and forget his griefs, or for pastime and amusement.

My religion is to seek for truth in life and for life in truth, even knowing that I shall not find them while I live.

Love is the child of illusion and the parent of disillusion.

The skeptic does not mean him who doubts, but him who investigates or researches, as opposed to him who asserts and thinks that he has found.

Love personalizes all that it loves. Only by personalizing it can we fall in love with an idea.

Man is perishing. That may be, and if it is nothingness that awaits us let us so act that it will be an unjust fate.

Science says: 'We must live,' and seeks the means of prolonging, increasing, facilitating and amplifying life, of making it tolerable and acceptable, wisdom says: 'We must die,' and seeks how to make us die well.