When a person's mind makes a leap, you will find that this person has become completely different. However, if a person's thoughts are still stuck in the past, or have been wandering in the past, then his life is definitely worse. Obviously, if you don't change your mind, change your mind, you will find that. You may never go, learn to grow hard, and you may give yourself a reason to deceive yourself.
So, personally, I think that if you want a lofty idea, you should read more books and make more like-minded friends, or when these friends can bring you a new height in life, you will find that you will be different as a whole. So this is the importance of thinking big.