Mathematics Is The Only True Metaphysics.

If You Cannot Measure It, Then It Is Not Science.

Quaternions Came From Hamilton After His Really Good Work Had Been Done, And Though Beautifully Ingenious, Have Been An Unmixed Evil To Those Who Have Touched Them In Any Way.

When You Are Face To Face With A Difficulty, You Are Up Against A Discovery.

I Have Not Had A Moment's Peace Or Happiness In Respect To Electromagnetic Theory Since November 28, 1846. All This Time I Have Been Liable To Fits Of Ether Dipsomania, Kept Away At Intervals Only By Rigorous Abstention From Thought On The Subject.

There Is Nothing In Science Which Teaches The Origin Of Anything At All.