Помогите пожалуйста Explain the proverbs:a) Its never too late to learn.b)Knowledge is power.c)Money spent on the brain is never spent in vain

a) You can always learn new things, even when you are not a student. b) If you know how to do something, or you have an information which can be used for something you are a powerful person. c) There are many ways to spend your money, but if you spend it for getting education or some extra knoledge it will give you benefit in future.