What does it take to persevere and succeed, not just in our careers but in all aspects of our lives? For psychologist Angela Duckworth, the answer can be summed up in one concept: grit. She explains the ingredients in grit and the experiences that make one person persist where another gives up -- and offers concrete steps to instill grit early in life and sustain it. Listen and subscribe to The TED Interview and more podcasts from the TED Audio Collective at audiocollective.ted.com.