Rule of 7 in research. You can find out anything if you are willing to go seven levels. If the first source you ask doesn’t know， ask them who you should ask next， and so on down the line. If you are willing to go to the 7th source， you’ll almost always get your answer.

"A book is a friend that never lets you down."

我训练时就像我不是最好的，这样我才能保持最好。

确实，天才的天赋和他的人类品质有时会差异如此巨大，人们不得不怀疑天赋平庸点也许是件好事。