我永遠無法安全；我總是試圖逆流而上。每當我完成一件事，我就會設定一個更高的目標。這就是我走到今天的方式。
The soul is healed by being with children.
The price of freedom is eternal vigilance.
The primary rules of obligation are those that require or forbid certain actions.
——《北上宣言》，1924年11月