They Know That It Is Human Nature

We Must Say That There Are As Many Squares As There Are Numbers.

In My Studies Of Astronomy And Philosophy I Hold This Opinion About The Universe, That The Sun Remains Fixed In The Centre Of The Circle Of Heavenly Bodies, Without Changing Its Place; And The Earth, Turning Upon Itself, Moves Round The Sun.

Measure What Can Be Measured, And Make Measureable What Cannot Be Measured.

Nothing Can Be Taught To A Man, Only It's Possibly To Help Him To Discover It Inside.

In The Long Run My Observations Have Convinced Me That Some Men, Reasoning Preposterously, First Establish Some Conclusion In Their Minds Which, Either Because Of Its Being Their Own Or Because Of Their Having Received It From Some Person Who Has Their Entire Confidence, Impresses Them So Deeply That One Finds It Impossible Ever To Get It Out Of Their Heads.