Electricity is of two kinds, positive and negative. The difference is, I presume, that one comes a little more expensive, but is more durable; the other is a cheaper thing, but the moths get into it.

The student of arithmetic who has mastered the first four rules of his art, and successfully striven with money sums and fractions, finds himself confronted by an unbroken expanse of questions known as problems.

American politicians do anything for money... English politicians take the money and won't do anything.

I've seen lifelong friends drift apart over golf just because one could play better, but the other counted better.

The sorrows and disasters of Europe always brought fortune to America.

Success is 10% inspiration and 90% perspiration.

Writing is no trouble: you just jot down ideas as they occur to you. The jotting is simplicity itself - it is the occurring which is difficult.