The strongest muscle (Relative to size) in the body is the tongue. 

 Mary Magdalene Waterfall - Retezat, Romania [5110x3408] [OC] Insta: - https://i.redd.it/zr5r9zuibtnd1.jpeg
 

 Golden hour with Mt. Rainier, Washington [OC][1800x1220] https://i.redd.it/fozyhzw91und1.jpeg
 

 https://i.redd.it/1uag5kh9yrnd1.jpeg 

 I’m convinced that about half of what separates the successful entrepreneurs from the non-successful ones is pure perseverance.