The international system is inherently competitive, and states are constantly trying to outmaneuver each other.
孔子说：“我曾整天不吃、整夜不睡，来思考。结果没好处，还不如学习。”
真相并不总是美丽的，美丽的话语也不一定是真相。
We stand at the threshold of a new era in biology.
译文：世间总有得不到的东西，也总有办不到的事。
I paint the light that is reflected, not the light that is received.
"Reality is not what happens to us, but what we make of what happens to us."