Radio Has No Future." "x-rays Are Clearly

[referring To Fourier's Mathematical Theory Of The Conduction Of Heat] ... Fourier's Great Mathematical Poem.

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.

If We Can't Express What We Know In The Form Of Numbers, We Really Don't Know Much About It.

At What Time Does The Dissipation Of Energy Begin?

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.