The invention of the cotton gin was the result of necessity and observation.

Errors, like straws, upon the surface flow; he who would search for pearls must dive below.

"世界是一本书，而书是一座监狱。"

自然从不刻板。

I don't want to say something that's cliché, but I do believe that everything happens for a reason.

逻辑是思考的镜子。