我们对宇宙理解的唯一限制是我们的想象力。
The only limit to our understanding of the universe is our imagination.
The true artist is not proud; he knows that art is greater than himself.
After climbing a great hill, one only finds that there are many more hills to climb.
The most valuable resource we extract isn't minerals—it's human potential.
解释：在人活动范围内的水就污浊，在野外无人地方的水就清洁。同为一样的水，都是从天边开源，有的混浊有的清洁，这是它们所处环境使它们这样的。
一个敢于浪费一小时时间的人，尚未发现生命的价值。
真正的艺术家并不骄傲；他知道艺术比他更伟大。