The strength of a political system lies in its ability to adapt to changing circumstances.

If you're not improving, you're falling behind—especially in an industry as dynamic as animal husbandry.

The concept of will is unnecessary in explaining behavior.

当儿童还没有发展起控制能力的时候，“让儿童想干什么就干什么”是与自由观念相违背的。

神经系统就像一个复杂的管弦乐队，每个神经元都在发挥自己的作用。