summon up

SUMMON UP = Call forth or generate something, whether it's courage, strength, emotions, or other qualities:
She had to summon up all her courage to give the presentation in front of the large audience.
Despite his exhaustion, he managed to summon up the strength to finish the marathon.
The coach encouraged the team to summon up their determination and make a comeback in the second half.
It's difficult to summon up enthusiasm for the project when the deadline is so tight.
Sarah tried to summon up her memories of the event, but they were hazy at best.
In order to succeed in this industry, you must learn to summon up your creativity and innovation.
He couldn't summon up any sympathy for his colleague's constant complaining.
It took a lot of effort to summon up the patience to deal with the difficult customer.
The actor needed to summon up deep emotions for the emotional scene in the movie.
With great effort, she managed to summon up a smile despite her disappointment.