The best way to predict the future is to create it.
Efficiency is doing things right; effectiveness is doing the right things.
勇敢是一种德行,不仅在战斗中,在生活中的各个方面都需要勇敢。
The true artist does not create for fame, but for the sheer joy of creation.
Psychology is a science, and teaching is an art; and sciences never generate arts directly out of themselves.