From My Early Youth I Have Had

A Grand And Almost Untrodden Field Of Inquiry Will Be Opened, On The Causes And Laws Of Variation, On Correlation Of Growth, On The Effects Of Use And Disuse, On The Direct Actions Of External Conditions, And So Forth.

When Primeval Man first Used flint Stones For Any Purpose, He Would Have Accidentally Splintered Them, And Would Then Have Used The Sharp Fragments. From This Step It Would Be A Small One To Break The flints On Purpose And Not A Very Wide Step To Fashion Them Rudely.

I Am Not Apt To Follow Blindly The Lead Of Other Men

It Occurred To Me, In 1837, That Something Might Perhaps Be Made Of This Question (the Origin Of The Species) By Patiently Accumulating And Reflecting On All Sorts Of Facts Which Could Possibly Have Any Bearing On It

A Fair Result Can Be Obtained Only By Fully Stating And Balancing The Facts And Arguments On Both Sides Of Each Question." Charles Darwin