Knowledge is not power unless it is used.
Good intentions aren't enough. People have good intentions when they set a goal to do something, but then they miss a deadline or other milestone.
Many people may listen, but few people actually hear.
Minds are like parachutes-not much good unless they are open.
Staying in touch with contacts is as important as getting them in the first place.
You only get one chance to make a good first impression, and yours may be in the hands of the receptionist.