Bad Books Engender Bad Habits, But Bad

I Accept No Principles Of Physics Which Are Not Also Accepted In Mathematics.

So Blind Is The Curiosity By Which Mortals Are Possessed, That They Often Conduct Their Minds Along Unexplored Routes, Having No Reason To Hope For Success, But Merely Being Willing To Risk The Experiment Of Finding Whether The Truth They Seek Lies There.

You Just Keep Pushing. You Just Keep Pushing. I Made Every Mistake That Could Be Made. But I Just Kept Pushing.

It Is Not Enough To Have A Good Mind. The Main Thing Is To Use It Well.

I Hope That Posterity Will Judge Me Kindly, Not Only As To The Things Which I Have Explained, But Also To Those Which I Have Intentionally Omitted So As To Leave To Others The Pleasure Of Discovery.