The only meaningful way to study learning is through objective measurement.
研究学习的唯一有意义的方法是通过客观测量。
目标是成为最好的,而不是击败别人。
All mankind... being all equal and independent, no one ought to harm another in his life, health, liberty, or possessions.
The only way to deal with the past is to accept it.
Literature is the memory of humanity, and without memory, humanity would be lost.