Thinking is the hardest work there is, which is probably the reason why so few engage in it.
The real moral test of a society is how it treats those who are at the dawn of life, the children; those who are in the twilight of life, the aged; and those who are in the shadow of life, the sick, the needy and the handicapped.
我永远感激我的贫苦父母。我欠他们一切，无论是我的教育、我的生命，还是我取得的任何成功。
随着超快激光器的每一次进步，我们都在重写关于原子和分子行为的教科书。
一个人内心必须有混沌，才能诞生一颗跳舞的星星。
Time is a concept that humans have created to make sense of the universe, but the universe itself is timeless.
Often it is the means that justify the ends: Goals advance technique and technique survives even when goal structures crumble.