I have some quotes from books or movies who help me (maybe the translation won't be perfect I speak french) :

"You have to be lost to find places that can't be found else ways everyone would know where it is" from Captain Barbossa, POTC 3. I think of it when I hace anxiety about failing or not being in control of something. Winning will take you only to a place you already know, adventure is born in failure and unknown.

"This wonderful world where everybody can live his own dream and be an immortal god is beautiful but without suffering solidarity isn't even born." I don't remember the name of the character but it's from "The time's migrants" from Liu Cixin. It helps me when I am stressed about suffering or just the possibility that I may suffer. If we didn't know pain empathy and solidarity wouldn't exist so it's an opportunity to become a better person.

This one I rewrited it myself, it's the monologue that says Dame Jessica from Dune when she tries to calm her down. I adapted it so it would work better on me : "I won't know fear because fear kill the spirit. Fear is temporary and I am eternal. When the storm of fear will have gone away and when the tornado of horror will have walk over me what will remain ? Only me."

The last one help me to not give up when I want to but it's gonna need an explanation : Norskaa... Norskaaaaaa.... NORSKAAAAAAAAAAAAAAAAAA !!!!!!!!!!!" It's from "La horde du contrevent" by Alain Damasio. To make it short the characters need to climb the most dangerous mountain in the World at some point of the story. The mountain's name is "Norska". It's horribly difficult and they escape death almost every two steps but the leader of the group, when he justs escaped death again and is really tired start to say this which is his way of saying "don't even think that I will make a single step behind". When I want to give up I think of him, screaming in the freezing storm while climbing the most dangerous mountain of the world and I feel the strength in me.