The chief beauty about time is that you cannot waste it in advance. The next year, the next day, the next hour are lying ready for you, as perfect, as unspoiled, as if you had never wasted or misapplied a single moment in all your life. You can turn over a new leaf every hour if you choose.
数学不仅仅是人类的发明；它具有一种独立于我们而存在的深刻现实。
The beauty of mathematics lies in its ability to describe the universe in a language that is both precise and universal.
