The scientist is not responsible for the laws of nature, but it is his job to find out how they operate.
科学家不对自然法则负责,但他的工作是找出它们如何运作。
断奶在幼儿生命中是个重要的转折点,我们不该让孩子继续吸吮而不咀嚼食物。
You must be the change you wish to see in the world.
比主动遗忘更痛苦的,是被动记住。
大胆梦想,从小事做起,立即行动。
I want to inspire people to believe in themselves.