Your only ideal is your own ambition.

Your ambition has nearly cost us our lives already.

Is it your burning ambition to marry rich?

Your ambitions must always have been his.

You've never been enough of a scoundrel for your own ambition.

As for you, the college student, you could make your ambition more than getting a passing grade, and finding a job.

Mr. Craster, I must ask you to exercise in future a little more control over your natural ambitions.