Love is the ability and willingness to allow those that you care for to be what they choose for themselves without any insistence that they satisfy you.

Mathematics is a creative endeavor, just like art or music.

Never give up on your dreams, no matter how hard it gets.

释义：世上的许多人为了利益，不惜冒生命危险，甚至到了无路可退的地步也不愿放弃。

Science is not just a collection of facts; it's a way of thinking.

Life has no meaning a priori. It is up to you to give it a meaning.