If there is anything in the world which I do firmly believe in, it is the universal validity of the law of causation.

I care not what subject is taught, if only it be taught well.

As to sagacity, I should say that his judgement respecting the warmest place and the softest cushion in a room is infallible, his punctuality at meal times is admirable, and his pertinacity in jumping on people's shoulders till they give him some of the best of what is going, indicates great firmness.

Teach a man to read and write, and you have put into his hands the great keys of the wisdom-box.

I am too much of a sceptic to deny the possibility of anything especially as I am now so much occupied with theology but I don't see my way to your conclusion.

There is no greater mistake than the hasty conclusion that opinions are worthless because they are badly argued.

The great tragedy of science - the slaying of a beautiful hypothesis by an ugly fact.