If parents don't educate their children and let them develop themselves, it will have unpredictable consequences, because there will be a lack of benign guidance in the process of their growth.

As for the promise, it's hard to say. Those who have parental education may not be promising, but those who have parental education can at least become adults, and the possibility of harmful impact on society will be small.

Success depends on your hard work, talent and luck, which is hard to say.