Leave a gas gift card at a gas pump.
The ability to learn new things means we have endless potential.
“Life is not easy for any of us. But what of that? We must have perseverance and above all confidence in ourselves. We must believe that we are gifted for something and that this thing must be attained.”― Marie Curie
Introduce yourself. Make new colleagues, classmates, neighbors etc. feel welcome.
Hug a friend. Let them know how important they are.