To Measure Is To Know.

[of The Ether] It Is No Greater Mystery At All Events Than The Shoemakers' Wax.

I Believe That The More Thoroughly Science Is Studied, The Further Does It Take Us From Anything Comparable To Atheism.

All Of Science Can Be Divided Into Physics And Stamp-collecting.

Nothing Can Be More Fatal To Progress Than A Too Confident Reliance On Mathematical Symbols; For The Student Is Only Too Apt To Take The Easier Course, And Consider The Formula Not The Fact As The Physical Reality.

Can You Measure It? Can You Express It In Figures? Can You Make A Model Of It? If Not, Your Theory Is Apt To Be Based More Upon Imagination Than Upon Knowledge.