决定胜负的不是狗的体型大小，而是狗的战斗意志。
It's not the size of the dog in the fight, it's the size of the fight in the dog.
男性和女性在繁殖策略上有所不同，因为他们在整个进化历史中面临着不同的适应性问题。
Psychology must be a science of functions, not just a science of facts.
Every performance is a new opportunity to touch someone’s heart.
