Measure What Can Be Measured, And Make

Nothing Can Be Taught To A Man, Only It's Possibly To Help Him To Discover It Inside.

They Who Depend Upon Manifest Observations Will Philosophize Better Than Those Who Persist In Opinions Repugnant To The Senses.

I Am Certainly Interested In A Tribunal In Which, For Having Used My Reason, I Was Deemed Little Less Than A Heretic. Who Knows But Men Will Reduce Me From The Profession Of A Philosopher To That Of Historian Of The Inquisition!

In Questions Of Science, The Authority Of A Thousand Is Not Worth The Humble Reasoning Of A Single Individual.

Spots Are On The Surface Of The Solar Body Where They Are Produced And Also Dissolved, Some In Shorter And Others In Longer Periods. They Are Carried Around The Sun; An Important Occurrence In Itself.