Gee, they're not easy, are they?
If you find it in your heart to care for somebody else, you will have succeeded in what you were trying to accomplish.
=> Two events: (1) care for someone else, then (2) succeed.
?I visualized who I wanted to be, what kind of player I wanted to become
=> 'who I wanted to be' is somewhat redundant in that context. It's another way of saying, what kind of person I wanted to be.
?Only those who risk going so far can possibly find out how far one can go.
=> 'so far' is up to a certain point, whereas 'too far' is extends beyond that point.
No.4 (try adding 'will')
You will never find yourself unless you face the truth.
=> You won't find yourself unless you face the truth.
Student or Learner