不要让恐惧阻止你迈出第一步。
Don’t let fear stop you from taking the first step.
The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.
现在你们不是国人的勇士，怎么能既学好学业又学好射箭呢？
Every challenge in quarry operations is an opportunity to innovate and improve.
The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.