reminds me of that most quoted lines from Bruce Lee, "I fear not the man who has practiced 10,000 kicks once, but I fear the man who has practiced one kick 10

reminds me of that most quoted lines from Bruce Lee, "I fear not the man who has practiced 10,000 kicks once, but I fear the man who has practiced one kick 10,000 times." same as what you are indicating here. Deliberate / mindful practice leads to significant improvement.