He was justifying his existence, than which life can do no greater; for life achieves its summit when it does to the uttermost that which it was equipped to do.
Common sense invents and constructs no less than its own field than science does in its domain. It is, however, in the nature of common sense not to be aware of this situation.
Colouring does not depend on where the colours are put, but on where the lights and darks are put, and all depends on form and outline, on where that is put.