“Understanding two words will open the most doors for you. Push and pull”

The two terms that are said to open doors for people are usually “please” and “thank you.” According to a joke printed on many images, however, the two words that will literally open doors are “push” and “pull.”
 
“There are two words that will open doors for you; push & pull lol” was posted on Twitter  on December 19, 2010.
   
 
Twitter 
G Gomez‏
@BowieTie
There are two words that will open doors for you; push & pull lol
3:37 PM - 19 Dec 2010
 
Twitter
Shaad‏
@ShaadToney
there are two words in a person life that could open doors for them and that’s “push & pull”
1:14 AM - 24 Jan 2011
 
Twitter
Rose _Pugh‏
@Rose_Pugh
there are two words in a person life that could open doors for them and that’s “push & pull”
1:52 AM - 24 Jan 2011
 
Twitter
Ricky Rusby‏
@rickyrusby
There are two words that really open doors for you in life…..push & pull !
1:49 PM - 9 Feb 2011
           
Funny Status
There are two words in a persons life that will open…
May 26, 2011 Misc. Status Updates
There are two words in a persons life that will open alot of doors for them…. PUSH and PULL
 
Funny Status
Remember, there are two words in life that will open…
April 11, 2012 Cute Status Updates
Remember, there are two words in life that will open a lot of doors for you. Push and Pull.
 
Reddit—Jokes
Remember these two words. They will open up the doors in your life.
submitted October 4, 2014 by qweasdzxc322
Push and pull
 
Reddit—Jokes
There are two words in life that will open a lot of doors for people
submitted July 25, 2016 by xCerra
Push and pull
 
Reddit—Jokes
Understanding two words, will open the most doors for you
submitted August 8, 2017 by JesperS1208
Push and Pull