Pray that your loneliness may spur you into finding something to live for, great enough to die for.
— Dag Hammarskjold

Every calamity is a spur and valuable hint.
Ralph Waldo Emerson spurring quote

Don't spur a willing horse.
— Proverbs

Let the fear of a danger be a spur to prevent it; he that fears not, gives advantage to the danger.
— Francis Quarles

Danger, the spur of all great minds.
— spurring quotation by George Chapman