There are two passions which have a powerful influence on the affairs of men. These are ambition and avarice.
Ambition Quotes
A slave has but one master; an ambitious man has as many masters as there are people who may be useful in bettering his position.
The ambitious climbs up high and perilous stairs, and never cares how to come down; the desire of rising hath swallowed up his fear of a fall.
When your ship comes in, make sure you are willing to unload it.