Lock up your libraries if you like; but there is no gate, no lock, no bolt that you can set upon the freedom of my mind.
The best moments in our lives are not the passive, receptive, relaxing times… The best moments usually occur if a person’s body or mind is stretched to its limits in a voluntary effort to accomplish something difficult and worthwhile.
人生的每一门课程会随时间依次呈现给你。掌握所需的一切能力取决于你的内心。一旦你真正掌握了一门课的精髓，你自然就会进入下一门课。只要你还活着，你就仍然有课要学。
The highest purpose is to have no purpose at all. This puts one in accord with nature in her manner of operation.
One way of looking at speech is to say that it is a constant stratagem to cover nakedness.
We cannot not know history.