Persistence means giving full concentration to whatever you are doing right now. ... Persistence is success through trial, error, resetting your goals, and moving toward the target.
Denis WaitleyNever become so much of an expert that you stop gaining expertise. View life as a continuous learning experience.
Denis WaitleyRecognize when your peak energy occurs during the day. Allocate the most difficult projects to that period. Work on easy projects at low-energy times
Denis Waitley