Each problem has an age.

is a dirty window. The sky will clear when you clean it.
is a northern wind in the morning. This chill may last only an hour.
is a cow. It chews more than it has eaten.
is a tree stump. You may sit where the tall fell.
is a cut finger. The knife obeyed your error.
is an angered bee. Run, be still, kill it or be stung.