With Me, Everything Turns Into Mathematics.

The First Precept Was Never To Accept A Thing As True Until I Knew It As Such Without A Single Doubt.

It Is Possible That I Am Dreaming Right Now And That All Of My Perceptions Are False.

The Chief Cause Of Human Errors Is To Be Found In The Prejudices Picked Up In Childhood.

For How Do We Know That The Thoughts Which Occur In Dreaming Are False Rather Than Those Others Which We Experience When Awake, Since The Former Are Often Not Less Vivid And Distinct Than The Latter?

I Was Convinced That Our Beliefs Are Based Much More On Custom And Example Than On Any Certain Knowledge.