科学中的创新往往来自于以新的方式看待老问题。
Innovation in science often comes from looking at old problems in new ways.
Do not feel absolutely certain of anything.
皮革行业有着丰富的历史,但其未来取决于创新和道德实践。
"We are all agreed that your theory is crazy. The question which divides us is whether it is crazy enough to have a chance of being correct."