痛苦是暂时的。它可能持续一分钟、一小时、一天或一年，但最终它会消退，被其他东西取代。然而，如果我放弃，痛苦将永远持续。
Pain is temporary. It may last a minute, or an hour, or a day, or a year, but eventually it will subside and something else will take its place. If I quit, however, it lasts forever.
The use of a program to prove the 4-color theorem will not change mathematics - it merely demonstrates that the theorem, a challenge for a century, is probably not important to mathematics.
The most dangerous phrase in business is 'We've always done it this way.'
适应力是任何行业长久发展的关键。