Here's the truth about entrepreneurship: Almost nobody gets to travel a smooth path. Every step will be an obstacle. Every decision will be hard. The question isn't whether challenges will come — it's how you'll respond when they do. Entrepreneurs in Residence at the Martin Trust Center for MIT Entrepreneurship share hard-won wisdom from their own journeys. Success hinges on being a willing learner and trusting your instincts. As a first-time entrepreneur, they say, you chose this path to design