发明的艺术在于找出已知现象的原因。
The art of invention consists in finding out the causes of known effects.
Every material has its own intelligence.
坚持志向就像心痛一样,心思全在痛处,哪有时间说闲话、管闲事。
The true genius shudders at incompleteness — and usually prefers silence to saying something which is not everything it ought to be.
核心技术是买不来的,必须靠自己研发。