Benjamin Franklin was an American politician, erudite, scientist and inventor. He is considered one of the Founding Fathers of the United States.
Learning is an invaluable asset. For everything you want to do in life, knowledge is extremely important, it's a fundamental piece in the puzzle. We couldn't imagine a successful life, even economically, without the possession of the necessary knowledge to have the best performance at work, to be wiser in our decisions, to move towards our development.
There are several ways in which you can invest in knowledge, like buying a book, paying for a course, subscribe for some training program, anything you can learn from, and even more, when it comes to your work area, in which you always have to be the best professional possible by innovating and expanding yourself.
Remember that knowledge is the only one left in you, for life.