数学的乐趣在于努力理解的过程。
The joy of mathematics is in the struggle to understand.
【讲解】:有志之士和仁人,不会贪生怕死而损害仁,只会勇于牺牲来成全仁。
史记
The truth is a knife, and lies are the bandage.
The best programs are written so that computing machines can perform them quickly and so that human beings can understand them clearly.