他说世界是为人们战斗而创造的，事物的价值在于为之战斗的价值。
Sometimes you have to lose yourself before you can find anything.
In philosophy, the winner of the race is the one who gets there last.
计算学习理论中的挑战在于理解学习算法的能力和局限性。
内心慎防杂念，会更加机敏；眼光审慎万物，则愈加明亮。