The mind is refrigerated by interruption; the thoughts are diverted from the principal subject; the reader is weary, he suspects not why; and at last throws away the book, which he has too diligently studied. – Samuel Johnson
I hate a fellow whom pride, or cowardice, or laziness drives into a corner, and who does nothing when he is there but sit and growl; let him come out as I do, and bark. – Samuel Johnson