It is vain to expect virtue from women till they are, in some degree, independent of men.
La memoria es un arma cargada de futuro.
我从不买任何东西，除非我能给自己一个充分的理由为什么要买它。
In chemicals, our greatest challenge is also our greatest opportunity: meeting global needs while protecting the planet.
Setting goals is the first step in turning the invisible into the visible.