Abraham Lincoln's promise

This video was about Abraham Lincoln and a Colonel. They walked together for some time and the Colonel asked him if he wanted to take a drink of whisky and Abraham Lincoln denied his request because he had never drank whisky in his entire life. After some time had past the Colonel asked Abraham Lincoln if he wanted to smoke and  Abraham revealed his story about his mother's lasts words. Abraham Lincoln's mother had asked him to never drink or smoke in his entire life, before she had past away. Still to that day Abraham Lincoln had still kept his promise with his mother. What this video has taught me was that keeping a promise is very important.