The study of algorithms is the study of methods for solving problems on a computer.
歷史是一個(gè)畫廊，里面原作很少，復(fù)制品很多。
"In observational studies, we often have to rely on assumptions that are not directly testable."
It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge.
試圖阻止知識(shí)前進(jìn)是沒有好處的。無知永遠(yuǎn)不比知識(shí)好。
To love and be loved is to feel the sun from both sides.
To the world you may be one person， but to one person you may be the world。
在變革時(shí)期，學(xué)習(xí)的能力遠(yuǎn)比知道的能力重要得多。