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.

我的人生就是音乐，音乐就是我的人生。

数学只向那些纯粹出于对其美的热爱而接近它的人揭示其秘密。