If you read Trump's "The Art of the Deal" there are several examples of Trump's patience, persistence, and perseverance..(but I repeat myself)
Obtaining the right to rebuild the NY skating ring took years, culminating in an extended press onslaught on the mayor.
Also the riverfront property...also many years to completion
Trump Tower required a complex set of purchases including air rights and access rights.
I was deeply impressed with his mastery after reading some of his books. The essence of success requires planning and patience! That means a person has to have the ability to maintain a vision. I completely agree with you. If people were really looking to understand who he is, it was there to be seen. I like the examples you cite.