In the end， we will remember not the words of our enemies， but the silence of our friends.

The improvement of the productive powers of labor, and the greater part of the skill, dexterity, and judgement with which it is anywhere directed or applied, seem to have been the effects of division of labor.

对于你所拥有的，要心存感激，这样你就会拥有更多。对于你所没有的，如果不停强调，你永远都不会满足。

大胆梦想，努力工作，保持专注。

自守形式的研究是进入数论核心的旅程。