Creative powers can just as easily turn out to be destructive. It rests solely with the moral personality whether they apply themselves to good things or to bad. And if this is lacking, no teacher can supply it or take its place
创造性力量很容易变成破坏性力量。这只取决于人们的道德人格：是用此力量做好事或做坏事。如果人们缺乏这种道德人格，则没有一种说教能够提供它或取而代之。
你不必完美才能激励他人。
People fear what they don't understand and hate what they can't conquer.
Mathematics is not a spectator sport. You have to do it to understand it.
"In the silence between words, we find the truth."
The best decisions aren't made with your head, but with your heart.
生活的习惯塑造灵魂，灵魂塑造面容。