Teaching is the most glorious profession under the sun.
生活就像一架钢琴，白键代表快乐，黑键代表悲伤。但在人生的旅途中，请记住黑键也能创造音乐。
"We are all alone, born alone, die alone, and—in spite of True Romance magazines—we shall all someday look back on our lives and see that, in spite of our company, we were alone the whole way."
The psychologist must avoid all metaphysical assumptions.
能源安全就是国家安全。
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
数学不是关于数字、方程、计算或算法的：它是关于理解的。
没有规则，就没有真正的艺术。
Stray birds of summer come to my window to sing and fly away。 And yellow leaves of autumn， which have no songs， flutter and fall there with a sigh。