I don't get the entire quote but I do get the don't stop
The speed does matter in reality and world of competition as speed can often mean the difference between win, reward or opportunity and especially deadlines don't stop part is ok

Exactly in life it can be anything
Sometimes even if you had the right pain of discipline it will not always end in the intended or right outcome only to end up in the pain of regret whether the pain of discipline was dumb, normal or smart cuz life is made to be this way same goes for regret
Problem with the OP quote is only between but in life it could be both or one leading to another either way what people need to realize that not every thing goes according to plan and manage expectations wisely

Going backwards is a progress just in negative direction
People compare against other people because in real life or reality because of competition for limited resources