One thing he said which became ingrained in my thoughts is, "Nothing lasts forever." Not only did he mean that embracing change is a good thing but being flexible is essential in business and in life. If in life you find yourself in a predicament or situation with which you are unhappy and feel you cannot escape it, try to remember that indeed nothing does last forever. Everything changes. If you cannot change the situation at the very least you can change how you deal with it (this is especially true in matters of health).
Take hope and remind yourself frequently: