Change the way you look at things and the things you look at change.

在暴君有权杀死一个国家的权利被证明之前，一个国家在必要时杀死暴君的权利永远不会被怀疑。

习惯比灵感要可靠得多。通过养成习惯来取得进步。不要把注意力放在塑身上。专注于成为那种从不错过锻炼的人。

The teacher should not teach as if he were pouring knowledge into an empty vessel, but rather as if he were lighting a fire.