Desperation is a necessary ingredient to learning anything, or creating anything. Period. If you ain't desperate at some point, you ain't interesting.
“Over the years your bodies become walking autobiographies, telling friends and strangers alike of the minor and major stresses of your lives.”
“For both reasons, owing to the thermal motion and to the working together of various wavelengths, factors arise which, in a similar manner to the structural factor, exert some influence upon the brightness of the interference points but not upon their location.”