So Great A Contribution To

If Aliens Visit Us, The Outcome Would Be Much As When Columbus Landed In America, Which Didn't Turn Out Well For The Native Americans.

A Theory Is A Good Theory If It Satisfies Two Requirements: It Must Accurately Describe A Large Class Of Observations On The Basis Of A Model That Contains Only A Few Arbitrary Elements, And It Must Make Definite Predictions About The Results Of Future Observations.

If Everything In The Universe Depends Upon Everything Else In A Fundamental Way, It Might Be Impossible To Get Close To A Full Solution By Investigating Parts Of The Problem In Isolation.

Without Imperfection, You Or I Would Not Exist.

It Is Generally Recognised That Women Are Better Than Men At Languages, Personal Relations And Multi-tasking, But Less Good At Map-reading And Spatial Awareness. It Is Therefore Not Unreasonable To Suppose That Women Might Be Less Good At Mathematics And Physics.