过去从未死去，它甚至不是过去。

Science thrives when curiosity meets rigorous methodology.

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.

For systems, the analogue of a face-lift is to add to the control graph an edge that creates a cycle, not just an additional node.

思维和行为在生命有机体中是不可分割的。

The arithmetic of L-functions is a journey into the hidden patterns of the mathematical universe.

即使跌倒100次，我也会第101次站起来。

Not everything that is faced can be changed, but nothing can be changed until it is faced.