Argument Is Conclusive, But It

Argument Is Conclusive, But It Does Not Remove Doubt, So That The Mind May Rest In The Sure Knowledge Of The Truth, Unless It Finds It By The Method Of Experiment.

Cease To Be Ruled By Dogmas And Authorities; Look At The World!

But Concerning Vision Alone Is A Separate Science Formed Among Philosophers, Namely, Optics, And Not Concerning Any Other Sense ... It Is Possible That Some Other Science May Be More Useful, But No Other Science Has So Much Sweetness And Beauty Of Utility. Therefore It Is The Flower Of The Whole Of Philosophy And Through It, And Not Without It, Can The Other Sciences Be Known.

Knowledge Of Languages Is The Doorway To Wisdom.

A Man Is Crazy Who Writes A Secret In Any Other Way Than One Which Will Conceal It From The Vulgar.