Let's say you have a 1 in 100 chance of success....
Then why not try 100 times?
Colonel Sanders did it. In fact, he was rejected 1,009 times before he finally sold his chicken recipe. Thomas Edison took it even further, failing over 10,000 times before producing the first commercial lightbulb. Ever heard of KFC or GE?
It takes a very committed person to fall short that many times. Most of us would give up after just a handful of failures.
What would happen if we applied the same level of commitment to our own ideas and projects?
What if our chances of success were the same as the Colonel? If we acted on our ideas or projects once a week, it would take us nearly 20 years to get there. Once a day would take nearly 3 years. 10 times per day would take just over 3 months.
You get the picture...
Keep at it. Every time you fall short, you are one step closer, and you only need to succeed once. As Edison famously said, "I have not failed, I've just found 10,000 ways that don't work".