If one only wished to be happy, this could be easily accomplished; but we wish to be happier than other people, and this is always difficult, for we believe others to be happier than they are.
I don't believe in luck. I believe in hard work and persistence.
孩子獨(dú)立的智能發(fā)展無(wú)可限量,它直接依賴孩子心智的力量,而不僅靠導(dǎo)師的工作。