He Lives Well Who Is Well Hidden.

It Is Contrary To Reasoning To Say That There Is A Vacuum Or Space In Which There Is Absolutely Nothing.

Doubt Is The Origin Of Wisdom

If I Found Any New Truths In The Sciences, I Can Say That They Follow From, Or Depend On, Five Or Six Principal Problems Which I Succeeded In Solving And Which I Regard As So Many Battles Where The Fortunes Of War Were On My Side.

How Do We Know That Anything Really Exists, That Anything Is Really The Way It Seems Ot Us Through Our Senses?

In Order To Improve The Mind, We Ought Less To Learn, Than To Contemplate.