"The past is a candle at great distance: too close to let you quit, too far to comfort you."

The deepest urge in human nature is the desire to be important.

数学的美只对那些更有耐心的追随者展示。

It’s on the strength of observation and reflection that one finds a way. So we must dig and delve unceasingly.

科学是跨越数代人的协作努力。

Quality should never be compromised, because reputation is built over a lifetime but lost in a moment.