La luz más intensa nace de las sombras más profundas.
A sense of duty is just love of one's duty.
To understand the electron is to understand the foundation of our technological civilization.
The problem is, if you really believe in a society where those who merit to get to the top, get to the top, you'll also, by implication, and in a far more nasty way, believe in a society where those who deserve to get to the bottom also get to the bottom and stay there. I nother words, your position in life comes to seem not accidental, but merited and deserved. And that makes failure seem much more crushing.
建立在规则上的自由，才是真正的自由！
科学发现的影响可能是深远的，往往远远超出最初的预期。
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.