Mathematics

Do not worry about your difficulties in Mathematics. I can assure you mine are still greater.
Mathematics (3), Science (5)Albert Einstein (21)

Marriage is like pi - natural, irrational, and very important.
Marriage (9), Mathematics (3)Lisa Hoffman (1)

Lottery: A tax on people who are bad at math.
Lottery (1), Taxes (2), Mathematics (3)Ambrose Bierce (5)