The more reasonable a student was in mathematics, the more unreasonable she was in the affairs of real life, concerning which fewtrustworthy postulates have yet been ascertained.

Never resist temptation: prove all things: hold fast that which is good.

What we want is to see the child in pursuit of knowledge, and not knowledge in pursuit of the child.

Unless comedy touches me as well as amuses me, it leaves me with a sense of having wasted my evening. I go to the theatre to be moved to laughter, not to be tickled or bustled into it.

I do not waste my time writing pot-boilers: the pot must be boiled, and even my pot au feu has some chunks of fresh meat in it. ...I have no time to boil myself down; and anyhow I could not do so and preserve all the necessary nutriment and the flavoring on which the digestibility depends.

It's a dangerous thing to be married right up to the hilt, like my daughter's husband. The man is at home all day, like a damned soul in hell.

Always strive to find out what to do by thinking, without asking anybody. If you continually do this, you will soon act like a grown-up woman. For want of doing this, a very great number of grown-up people act like children.