The hour of departure has arrived，and we go our separate ways，I to die，and you to live。Which of these two is better only God knows.
The evening’s the best part of the day. You’ve done your day’s work. Now you can put your feet up and enjoy it.
The environment shapes behavior through the mechanism of reinforcement.
The first duty of a revolutionary is to be educated.
除非不再尝试，否则就没有失败。
Deep learning is a powerful tool for solving complex problems.
We are all forgotten people, but some are more forgotten than others.
