自古以来学有建树的人，都离不开一个苦字。
Experience is what you get when you don't get what you want. (Dan Stanfort, American brsinessman)
I have but one lamp wait which my feet are guided; and that is the lamp of experience. I know of no way of judging of the future but by the past. (Patrick Henry, Americna statesman)
──马克思
●万事开头难" class="sentence l"> ──爱因斯坦
●人的价值蕴藏在人的才能之中。
──马克思
●万事开头难
●学而不思则惘
All is but lip-wisdom that wants experience. (Philip Sideney, British satesman)