自由的本质在于能够在不受他人任意干涉的情况下追求个人目标。
The essence of liberty is the ability to pursue one’s own goals without arbitrary interference from others.
艺术家必须是绝对的影子。
最可怕的事情是完全接受自己。
The greatest thing you'll ever learn is just to love and be loved in return.
在数学中，提出问题的艺术必须比解决问题更有价值。