A first sign of the beginning of understanding is the wish to die.
Being brave isn’t the absence of fear. Being brave is having that fear but finding a way through it.
完美数如同完美的人一样稀少。
一本好书的标准在于它能在多大程度上扰乱和困扰读者。
成功是唯一的选择,失败不是选项。
The freedom of thought is the most precious freedom.