A Drop Of Water Is As Powerful

The Mathematician Starts With A Few Propositions, The Proof Of Which Is So Obvious That They Are Called Self-evident, And The Rest Of His Work Consists Of Subtle Deductions From Them. The Teaching Of Languages, At Any Rate As Ordinarily Practiced, Is Of The Same General Nature Authority And Tradition Furnish The Data, And The Mental Operations Are Deductive.

To A Person Uninstructed In Natural History, His Country Or Sea-side Stroll Is A Walk Through A Gallery Filled With Wonderful Works Of Art, Nine-tenths Of Which Have Their Faces Turned To The Wall. Teach Him Something Of Natural History, And You Place In His Hands A Catalogue Of Those Which Are Worth Turning Around. Surely Our Innocent Pleasures Are Not So Abundant In This Life, That We Can Afford To Despise This Or Any Other Source Of Them.

If There Is Anything In The World Which I Do Firmly Believe In, It Is The Universal Validity Of The Law Of Causation.

The Ultimate Court Of Appeal Is Observation And Experiment... Not Authority.

Cherish [science], Venerate Her, Follow Her Methods Faithfully ... And The Future Of This People Will Be Greater Than The Past.