One does not learn computing by using a hand calculator, but one can forget arithmetic.
人们不会使用手持计算器来学习计算，但是却会忘记算术。
人真正需要的不是无压力的状态，而是为值得的目标奋斗和努力。
The only way to do great work is to love what you do.
If we don't believe in freedom of expression for people we despise, we don't believe in it at all.
"History is not just facts and dates; it’s the lives of people who lived them."
Technology should serve both progress and preservation.
To be a moral human being is to pay, be obliged to pay, certain kinds of attention.
半夜三更所想的事与清晨八时所想的事情太不一样。