The state is the most important institution in human society, and its strength or weakness is the key determinant of a society's success or failure.
The habit of reading is the only enjoyment in which there is no alloy; it lasts when all other pleasures fade.
和平不是人类所处的自然状态，而是必须被建立起来的。
"Time is not a line but a dimension, like the dimensions of space."
What's terrible is to pretend that second-rate is first-rate. To pretend that you don't need love when you do; or you like your work when you know quite well you're capable of better.
Positive emotions are like nutrients for the mind, helping us grow and flourish.