Perfection is a trifle dull. It is not the least of life's ironies that this, which we all aim at, is better not quite achieved.

It is a nuisance that knowledge can only be acquired by hard work.

Old age is ready to undertake tasks that youth shirked because they would take too long.

You will have to learn many tedious things,...which you will forget the moment you have passed your final examination, but in anatomy it is better to have learned and lost than never to have learned at all.

Great writers create; writers of smaller gifts copy

It is not for nothing that artists have called their works the children of their brains and likened the pains of production to the pains of childbirth.

I'm afraid you've thought me a bigger fool than I am.