Entrepreneurship is a spirit / Zeal to create something as a new entity or venture.
Every person thinks many times that he should have his own business, but because of some circumstances/situations many people remain in whatever they are doing and not able to move forward to start off.
you can think of getting into business world and start putting efforts in the right direction without leaving your present job, I am sure you will get results.
What you need to do to get into business?
1) An Idea
2) Ready to spare your time to convert your idea into success
3) Guidance from experts/consultants