音乐不在于音符中，而在于音符之间的沉默。
The music is not in the notes, but in the silence between.
"The best books are the ones that leave you a little bit different than when you started."
The price of inaction is far greater than the cost of making a mistake.
"The past is not a place to live, but a place to learn from."
A problem is in P if it can be solved quickly by a computer, and in NP if a solution can be verified quickly.
符号是思维的媒介。