A person who sets up a series of imaginary hurdles for themselves cannot accomplish anything

Sometimes, you don't need to overthink things too far ahead because worrying about what-ifs is pointless. If you're so anxious about potential problems that you don't even dare to start, you're only holding yourself back with no real benefit.

No one in this world waits until they're perfectly prepared before seizing an opportunity. By the time you are, the opportunity will have passed.