Science Is The One Human Activity That

There We Measure Shadows, And We Search Among Ghostly Errors Of Measurement For Landmarks That Are Scarcely More Substantial.

Observations Always Involve Theory.

I Knew That Even If I Were Second Or Third Rate, It Was Astronomy That Mattered.

The Great Spirals, With Their Enormous Radial Velocities And Insensible Proper Motions, Apparently Lie Outside Our Solar System.

Science Is The One Human Activity That Is Totally Progressive.