The last, but not least, essential quality of a good leader is perseverance. With determination and perseverance, we can know that our leader will keep focused and get us through difficult times. To be determined is one of the most important aspects of a leader so perseverance to do your best and lead the people in the right direction is crucial. Without motivation, a leader can fold under the pressures of the job and let down the people. Perseverance ensures that the job done and the people will be led properly..