你读得越多，知道的事情就越多。你学得越多，能去的地方就越多。
"The more that you read, the more things you will know. The more that you learn, the more places you'll go."
解释：处于安全环境时要考虑到可能出现的危险，考虑到危险就会有所准备，事先有了准备就可以避免祸患。
理解学习问题的计算复杂性对于开发高效算法至关重要。