The world is full of people who have dreams and the world is full of people who have ideas, but the world is also full of people who never do anything about them.
The real reward in science is knowing that your work can save lives.
衣食是人们活着的时候所需要的利益,尚且要有一定的节制;埋葬是人们死后所需要的利益,为什么就单单在这里没有节制呢?
无论我们在哪里,我们听到的大部分是噪音。当我们忽略它时,它困扰我们。当我们倾听它时,我们发现它很迷人。