Try not to smile when you think of a freshly-shoveled walk, or when the roses seem to multiply overnight.

FORBES: How Would I Behave If I Were Happy

' The only thing that I can do is be positive, smile, and try to win my match and try to be ready for tomorrow.

CNN: Nadal wins at French Open, then questions scheduling

Try to confirm this rumor with Sequoia partners, and they only smile.

FORBES: Don Valentine, Venture Capitalist

Even in this difficult year, when so many people have lost their homes and jobs, when the future is so uncertain and the world just seems to get more and more dangerous, these good people still get up each morning, put on a smile and go out into the world and try to make it a better place.

FORBES: Yes, Virginia . . .