释义:在遭受挫折、忍受屈辱的艰难时刻,一定要咬紧牙关,激励自己坚定志向。积蓄内心的力量,让自己的意志愈发坚韧,使志向得以长远发展,绝不因一时困境而退缩放弃。
We teach a subject not to produce little living libraries on that subject, but rather to get a student to think mathematically for himself.