Every workman who carries a dinner pail has these moments of keen delight in the product of his drudgery.

Men of genius, likewise, in their hours of relaxation from their loftier tasks, prove this universal rule.

I know a man who fills a chair at a great university.

I have seen him hold a roomful of otherwise restless youths spellbound for an hour, while he discoursed about the respective inhabitants of the earth and sea at a time when nothing walked on fewer than four legs.

And I have seen this scholar, his ponderous tomes shelved for a space, turning over and over with cherishing hands a letter-box that he had made out of card-board and paste, and exhibiting it proudly to his friends.