The Scientist Needs An Artistically Creative Imagination.

We Are In A Position Similar To That Of A Mountaineer Who Is Wandering Over Uncharted Spaces, And Never Knows Whether Behind The Peak Which He Sees In Front Of Him And Which He Tries To Scale There May Not Be Another Peak Still Beyond And Higher Up.

Religion And Natural Science Are Fighting A Joint Battle In An Incessant, Never-relaxing Crusade Against Skepticism And Dogmatism, Against Disbelief And Against Superstition, And The Rallying Cry In This Crusade Has Always Been, And Will Always Be, 'on To God.'

A Scientist Is Happy, Not In Resting On His Attainments But In The Steady Acquisition Of Fresh Knowledge.

Experimenters Are The Shock Troops Of Science.

The Spectral Density Of Black Body Radiation ... Represents Something Absolute, And Since The Search For The Absolutes Has Always Appeared To Me To Be The Highest Form Of Research, I Applied Myself Vigorously To Its Solution.