First of all, a good beginning lays a solid foundation for what you're going to do in the future.
Second, it paves way for your future career.
Third, it makes it easier to develop what you have started.
Fourth, It builds up your self-confidence to go further to achieve greater success.
Fifth, it builds up the confidence of others around you, who've seen hope in you and would like to work with you.
All in all, you're already on the way closer to your destination. Success is waving to you, smiling.