It Is Difficult To Say

Education Is Only A Ladder To Gather Fruit From The Tree Of Knowledge, Not The Fruit Itself

No Idea Is Conceived In Our Mind Independent Of Our Five Senses [i.e., No Idea Is Divinely Inspired].

I Have Only Two Rules Which I Regard As Principles Of Conduct. The First Is: Have No Rules. The Second Is: Be Independent Of The Opinion Of Others.

One Reason Why Mathematics Enjoys Special Esteem,above All Other Sciences,is That Its Laws Are Absolutely Certain And Indisputable,while Those Of All Other Sciences Are To Some Extent Debatable And In Constant Danger Of Being Overthrown By Newly Discovered Facts.

We Cannot Despair Of Humanity, Since We Ourselves Are Human Beings.