No law of nature, however general, has been established all at once; its recognition has always been preceded by many presentiments.
自然规律，无论多么普遍，都不是一下子就能确定的;它得到承认之前总是有许多预兆。
A LITTLE ENCOURAGEMENT
给此刻的你，一点向前的力量。
关于学习、善意与成长，读一句，再想一想。
Before you can successfully make friends with others, first you have to become your own friend.
在你能成功地与他人交朋友之前，首先你必须成为你自己的朋友。