Quality and consistency of practice is better than quantity. A) It's better to give 100% for 30 minutes then 70% for 60 minutes. 30 minutes a day is a small c

Quality and consistency of practice is better than quantity. A) It's better to give 100% for 30 minutes then 70% for 60 minutes. 30 minutes a day is a small commitment even for those with lack of motivation. B) Don't judge your practice by how much you've accomplished that day but by how successful you were at "practicing perfectly" for your allotted time.