The quote speaks about how doing something you love won't feel laborious or as tie consuming and dull as something you would prefer to not do.
I am not completely sure about what philosophy it belongs to but judging by the fact that it is confucious and he speaks of ethical, social values this would be Confucianism
This could affect peoples belief on what jobs are the right ones to take. Rather than the belief that work is work as people took on in the past, now careers are based on deep passions and interests which is why people are pursuing the arts and sports and not just office or factory jobs.