重要的事情往往难以启齿,因为言语会缩小其重要性;要让素未平生的人在意你生命中的美好事物,原本就不容易。
We don't inherit the earth from our ancestors; we borrow it from our children. This truth guides every decision we make.
Mathematics is the organ with which we comprehend the phenomena of nature.
The future is always changing, but the past is always the same.