Natalie Portman is one of the biggest stars in the world.<br />Portman shared sage advice with author Dan Schawbel.<br />She said after her childhood acting career, the friends she made in college convinced her to continue acting.<br />She says the best career advice is to find meaning and joy in your work, even during tough times.<br />Portman said she stays grounded by making every experience and relationship something you can learn and grow from.
