Observations Always Involve Theory.

Astronomy Is Something Like The Ministry. No One Should Go Into It Without A Call. I Got That Unmistakable Call, And I Know That Even If I Were Second-rate Or Third-rate, It Was Astronomy That Mattered.

Not Until The Empirical Resources Are Exhausted, Need We Pass On To The Dreamy Realms Of Speculation.

Equipped With His Five Senses, Man Explores The Universe Around Him And Calls The Adventure Science.

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.