Growth mindset vs fixed mindset.
Praise your child for his struggles, for his tenacity, for his grit, for trying new things, for making mistake.
Praise your child for his sensibility of others.
Praise your child for his silly creativity.
Praise your child for agreeing with you in going to movies with you, walking the dog together...
The following is from Khan Academy...
The learning myth: Why I'll never tell my son he's smart (article) | Khan Academy https://www.khanacademy.org/talks-and-interviews/conversations-with-sal/a/the-learning-myth-why-ill-never-tell-my-son-hes-smart