I know that two and two make four - and should be glad to prove it too if I could - though I must say if by any sort of process I could convert 2 and 2 into five it would give me much greater pleasure.
If a man proves too clearly and convincingly to himself...that a tiger is an optical illusion--well, he will find out he is wrong. The tiger will himself intervene in the discussion, in a manner which will be in every sense conclusive.
When Newton saw an apple fall, he found In that slight startle from his contemplation- 'Tis said (for I'll not answer above ground For any sage's creed or calculation)- A mode of proving that the earth turn'd round In a most natural whirl, called 'gravitation'; And this is the sole mortal who could grapple, Since Adam, with a fall, or with an apple.
What an antithetical mind! - tenderness, roughness - delicacy, coarseness - sentiment, sensuality - soaring and groveling, dirt and deity - all mixed up in that one compound of inspired clay!
Just as old age is creeping on space, And clouds come o'er the sunset of our day, They kindly leave us, though not quite alone, But in good company--the gout or stone.