The human being is essentially self-determining; he becomes what he wills himself to be.
"Words have power, but silence can be even more powerful."
It's not always necessary to be better than everyone else, but to be better than you used to be.
我们没有要求人们放弃任何东西,我们是在给他们更好的选择。
心理学家必须是一个冷静的观察者。