No two paths are the same and for that reason you should embrace learning through trial and error as It's your best education.

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Learning by doing is how you grow.

You will experience temporary defeat, but that's the nature of it.

Just don't quit.

You gain wisdom from life experience and you eliminate what doesn't work for you on your path. 

It can seem like a waste of time and money but you're actually gaining precious wisdom, you know it's true because you have lived it.

That is something money cannot buy so at the end of the day, you're still winning.