在科学中，唯一不变的就是变化。
In science, the only constant is change.
There is more to feminine charm than just measurements. I don’t need a bedroom to prove my womanliness. I can convey just as much femininity, picking apples off a tree or standing in the rain.
解释：对社会有用的，创作百篇也没有害处；对社会无用的，写一章也没有好处。
引用自本杰明·格雷厄姆，但斌常引用此句强调长期投资的重要性。