关心是某事物确实重要的状态。

程序员最重要的技能是清晰和逻辑地思考的能力。

不要走在我后面；我可能不会引领。不要走在我前面；我可能不会跟随。只要走在我旁边，做我的朋友。

The fountain of content must spring up in the mind, and they who have so little knowledge of human nature as to seek happiness by changing anything but their own dispositions will waste their lives in fruitless efforts.

未来可以通过现在的行动改变。