"The most beautiful people we have known are those who have known defeat, known suffering, known struggle, known loss, and have found their way out of the depths."
所有商品的交换价值随着生产难度的增加而上升。
Sometimes in life, you don't always feel strong, but that doesn't mean you're not.
If you don't make mistakes, you're not trying hard enough.
活着就是选择，而每个选择都有其后果。
利用不同的感官刺激，有条不紊地将注意力引导到儿童的活动甽，即便是嗅觉也可以用理解的方式来训练，从而成为他们探索环境的器官。