If you want to improve your understanding, drink coffee.

A man who wishes to make his way in life could do no better than go through the world with a boiling tea-kettle in his hand.

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.

Among the smaller duties of life I hardly know any one more important than that of not praising where praise is not due.

A comfortable house is a great source of happiness. It ranks immediately after health and a good conscience.

He who drinks a tumbler of London water has literally in his stomach more animated beings than there are men, women, and children on the face of the globe.