知己知彼，将心比心。
知道自己了解别人，设身处地为别人着想，体会别人感受。
改变的秘诀在于集中所有精力，不是与过去斗争，而是建设未来。
对所有人有礼，与多数人交际，和少数人亲近，交一位朋友，不与人为敌。
Every aspect of learning or any other feature of intelligence can in principle be so precisely described that a machine can be made to simulate it.
The surface of my paintings is like the skin of the world.
