过去永远存在，现在永远是过去。
The past is always present, and the present is always past.
一个爱国者必须时刻准备好在必要时捍卫国家免受政府的侵犯。
Concrete is the marble of our time, a democratic material.
To find yourself, think for yourself.
安全不是优先事项，而是价值观。优先事项会变，价值观不会。
You miss 100% of the shots you don't take.
Education begins the gentleman, but reading, good company and reflection must finish him.
In computer science, we stand on the shoulders of giants, but we must also be willing to question their assumptions.