diligent
Diligence is persistent work or study, as opposed to laziness. Diligence is a positive quality and one of the foundations of success.
willpower
Perseverance is a kind of will quality that people consciously overcome difficulties and strive to achieve predetermined goals. Perseverance is a person's endurance to complete study, work and career.
Difference and connection
Diligence and perseverance are interrelated. Diligence is the expression of perseverance, and perseverance is the support of diligence. Diligence is a positive quality and one of the foundations of success; Perseverance is a person's endurance to complete study, work and career, and it is the crystallization of a person's self-confidence, concentration, decisiveness, self-control and endurance of setbacks.