What is madness? To have erroneous perceptions and to reason correctly from them.
History is only the pattern of silken slippers descending the stairs to the thunder of hobnailed boots climbing upward from below.
Those who can be made to believe absurdities can be made to commit atrocities.
When we cannot use the compass of mathematics or the torch of experience...it is certain we cannot take a single step forward.
It is up to us to cultivate our garden.
Whatever you do, trample down abuses, and love those who love you. Different translation: Whatever you do, crush the infamous thing superstition, and love those who love you.