We all go through life and say a lot of things that we don't really mean.
There's no greater purpose than service to others.
It's failure, really, that you grow by, although nobody likes to experience it.
If you do have limitations, then you have to find out what they are. And if you find out what they are and avoid them, then they aren't limiting anymore.
In fact, a child is not even considered a human being.
People are not theirs thoughts, they think they are, and it brings them all kinds of sadness.