It happened that some of us already learnt our lessons from other's mistakes, while in some cases, some learnt theirs from their own personal error, which is most costlier than the first instance, if we don't want to be a lesson/mistake for other's to see, then we should learn something today and hold onto what we know, because such has turned to be part of us and we can't lose hold on it again, to add more, we should bear in mind about how the crypto space requires this from us by learning each day about bitcoin and be safe in it.