what he said is actually a real thing that successful people do in general, but remember that not everyone is destined to be successful, there are some who have even been doing a job that they like for a long time but they don't have enough money to be said to be rich. for someone to become rich, it's not just passion that influences it, often relationships, intelligence, persistence and luck influence it too, now don't make your life like a gamble, wealth might come from things you don't like.
In fact, we also need to look at and research carefully why some people who have worked diligently and correctly still haven't become rich, because there are also people who work every day just to use it for daily consumption. So it is not easy for them to become rich because what they get can immediately be used up for their own basic needs.
Some of the things you say can indeed be an influence on achieving success, because after efforts have been made to achieve success. Of course, we still have to hope that there will be a little luck to help this happen for us soon, because success in a job that we like will usually bring incomparable pleasure. So the expression given by Donald John Trump is actually quite clear even though he may have explained everything into one sentence so that it is easier for many people to understand.