人类的声音是所有乐器中最完美的。
The human voice is the most perfect instrument of all.
The essential function of art is moral. But a passionate, implicit morality, not didactic. A morality which changes the blood, rather than the mind.
"You see, but you do not observe."
Understanding the computational complexity of learning problems is essential for developing efficient algorithms.
如果你没有至少90%的时间失败，那么你的目标还不够高。
Efficiency and ethics must go hand in hand in modern agriculture.