The psychologist must study the mind as it is, not as it ought to be.
數(shù)學(xué)證明是用邏輯語言寫成的詩。
I think the most important thing is to be happy and to be kind to others.
You can't lead effectively if you don't understand the business from the ground up.
Three grand essentials to happiness in this life are something to do, something to love, and something to hope for.