过去不仅仅是过去，而是一个棱镜，主体通过它过滤自己不断变化的自我形象。
The past is not just the past, but a prism through which the subject filters his own changing self-image.
Never give up on your dreams, no matter how hard it gets.
The boundary between physics and mathematics is not as clear-cut as one might think.
Judge oneself than to judge others more difficult. If you successfully trial right himself, then you are really a wise.
