Final answer:
According to Osteen, the main "barrier" to success in life is negative thinking. By changing our mindset and adopting a positive outlook, we can overcome this barrier and achieve success.
Step-by-step explanation:
According to Osteen, the main "barrier" to success in life is negative thinking. Osteen believes that our thoughts and feelings about ourselves can either help us or hold us back. By changing our mindset and adopting a positive outlook, we can overcome this barrier and achieve success.