this sentence is usually to use as we learn somthing knowledgable to be our profession.
it's also said ''Don't give up .'' the main factor that we always stop keeping for our goal is getting hurdles continuously.if we are unable to solve these problems, then we can't go aboard.
i have watched the MV about this topic, and in fact i am inspired by it. but thinking another side, i am conscious of the stimulation which is just a temperatory syringe to make me excited.
anyway, just like the title told us, and then don't think more, just do it.