If history were taught in the form of stories, it would never be forgotten.
Fear is the main source of superstition, and one of the main sources of cruelty. To conquer fear is the beginning of wisdom.
世界的整个问题在于愚蠢的人和狂热分子总是对自己如此确定,而聪明的人则充满疑虑。
你影响力的唯一限制是你的想象力和承诺。