过去从未死去;它甚至不曾过去。
Our heroes are human heroes. That's a very new situation. Most other societies have had, right at their center, the worship of something transcendent: a god, a spirit, a natural force, the universe, whatever it is -- something else that is being worshiped. We've slightly lost the habit of doing that, which is, I think, why we're particularly drawn to nature.
Sometimes you don't need a goal in life, you don't need to know the big picture. You just need to know what you're going to do next!
The advancement of mathematics is due to those who are driven not by the desire for application but by the joy of discovery.
今天很残酷,明天更残酷,后天很美好,但绝大部分人是死在明天晚上,看不到后天的太阳。