Humour is the only test of gravity, and gravity of humour, for a subject which will not bear raillery is suspicious, and a jest which will not bear serious examination is false wit.
The best definition of humour I know is: humour may be defined as the kindly contemplation of the incongruities of life, and the artistic expression thereof. I think this is the best I know because I wrote it myself.
Look at Jewish history. Unrelieved lamenting would be intolerable. So, for every ten Jews beating their breasts, God designated one to be crazy and amuse the breast-beaters. By the time I was five I knew I was that one.
Novelist Peter de Vries, like Adlai Stevenson and Mark Twain, has suffered from the American assumption that anyone with a sense of humour is not to be taken seriously.
The ability to laugh at life is right at the top, with love and communication, in the hierarchy of our needs. Humour has much to do with pain; it exaggerates the anxieties and absurdities we feel, so that we gain distance and through laughter, relief.
Any man will admit if need be that his sight is not good, or that he cannot swim or shoots badly with a rifle, but to touch upon his sense of humour is to give him mortal affront.
Charles Dickens' creation of Mr. Pickwick did more for the elevation of the human race - I say it in all seriousness - than Cardinal Newman's Lead Kindly Light Amid the Encircling Gloom. Newman only cried out for light in the gloom of a sad world. Dickens gave it.