Progress requires setbacks; the only sure way to avoid failure is not to try.

Isolation is the one sure way to human happiness.

Gambling: The sure way of getting nothing for something.

One sure way to lose another woman's friendship is to try to improve her flower arrangements.

The only way to be sure of catching a train is to miss the one before it.

The sure way to be cheated is to think one's self more cunning than others.