The less we read, the more harmful it is what we read.

The only reactionaries are those who find themselves at home in the present.

Those who say they believe in God and yet neither love nor fear Him, do not in fact believe in Him but in those who have taught them that God exists. Those who believe that they believe in God, but without any passion in their heart, any anguish of mind, without uncertainty, without doubt, without an element of despair even in their consolation, believe only in the God-idea, not in God.

Fear is the start of wisdom.

Our life is a hope which is continually converting itself into memory and memory in its turn begets hope.

The mists remain of the false glory that erupts from history.

Science is the most intimate school of resignation and humility, for it teaches us to bow before the seemingly most insignificant of facts.