The world owes all its onward impulses to men ill at ease; the happy man inevitably confines himself within ancient limits.
A company's true value lies in its people, not just its balance sheet.
The laws that forbid the carrying of arms are laws of such a nature. They disarm only those who are neither inclined nor determined to commit crimes.... Such laws make things worse for the assaulted and better for the assailants; they serve rather to encourage than to prevent homicides, for an unarmed man may be attacked with greater confidence than an armed man.
Tyranny, like hell, is not easily conquered; yet we have this consolation with us, that the harder the conflict, the more glorious the triumph.
Believe you can and you're halfway there.
数学中最激动人心的时刻是当你看到以前似乎不相关的事物之间的联系时。