Supposing is good, but finding out is better.
To gnaw on is human, towards digest, divine.
Those who do not read have no advantage over those who cannot read.
I have attended operas, whenever I could not help it, for fourteen years now; I am sure I know of no agony comparable to the listening to an unfamiliar opera.
Get your facts first, then you can distort them as you please.
You need not expect to get your book right the first time.