数学的本质在于它的自由。
The essence of mathematics lies in its freedom.
The greatest weapon against stress is our ability to choose one thought over another.
Second place means you is the number one loser.
"The markets are always changing, and so should your strategies."
Zero Defects is a performance standard. It is the standard of the craftsman, regardless of his or her trade.
Program testing can be used to show the presence of bugs, but never to show their absence!