痛苦越深，艺术越深刻。

Profit is important, but purpose is what sustains a business long-term.

The magi, as you know, were wise men—wonderfully wise men—who brought gifts to the Babe in the manger. They invented the art of giving Christmas presents. Being wise, their gifts were no doubt wise ones, possibly bearing the privilege of exchange in case of duplication.

好奇心是所有伟大数学发现背后的驱动力。