试管婴儿的研究是出于帮助不孕夫妇的愿望。
It is vain to expect virtue from women till they are, in some degree, independent of men.
Education is the most powerful weapon which you can use to change the world.
质量不是一种行为，而是一种习惯。
改变带来灵感的频率远高于灵感带来改变。
To love is to accept someone completely, flaws and all.