观天下书未遍,不得妄下雌黄。
出自北齐·颜之推《颜氏家训·勉学》。没有把天下所有的书读个遍,就不要信口雌黄的发表观点。
As you become more clear about who you really are, you'll be better able to decide what is best for you - the first time around.
The most exciting phrase to hear in science, the one that heralds new discoveries, is not 'Eureka!' but 'That's funny...'