Heat, ma am! It was so dreadful here that I found there was nothing left for it but to take off my flesh and sit in my bones.

It is no more necessary that a man should remember the different dinners and suppers which have made him healthy, than the different books which have made him wise. Let us see the results of good food in a strong body, and the results of great reading in a full and powerful mind.

[T]he 47th proposition in Euclid might now be voted down with as much ease as any proposition in politics; and therefore if Lord Hawkesbury hates the abstract truths of science as much as he hates concrete truth in human affairs, now is his time for getting rid of the multiplication table, and passing a vote of censure upon the pretensions of the hypotenuse.

Lucy, dear child, mind your arithmetic. You know in the first sum of yours I ever saw there was a mistake. You had carried two (as a cab is licensed to do), and you ought, dear Lucy, to have carried but one. Is this a trifle? What would life be without arithmetic, but a scene of horrors.

When you rise in the morning, form a resolution to make the day a happy one for a fellow creature.

Never try to reason the prejudice out of a man. It was not reasoned into him, and cannot be reasoned out.

Solitude cherishes great virtues and destroys little ones.