There must be many keys to success. However, from my experience and observation of successful people I have decided for myself what the most common key is. To me it is perseverance and dedication.
It is very rare that someone strikes gold on the first swing of the pick axe. Just like the metaphor of digging for gold, becoming successful requires time and effort. Continuing with the metaphor, keep digging and swing until you find the gold.
Stephen King did not succeed after his first manuscript was submitted to a publisher. In his book on writing, he describes the hours spent writing and the hundreds of short stories, and manuscripts submitted, before someone gave him a chance.
So, if you love something and want to find success in it, don't give up. Keep trying and practicing. Keep changing and adapting. After hard work and effort, you will find success!
Thanks for reading and TAKE IT EASY!