“The perfect moment is this one.”
John Kabat-Zinn is well-known for his work in initiating mindfulness meditation and adding it into traditional medicine and psychology. He created the Mindfulness-Based Stress Reduction (MBSR) program at the University of Massachusetts Medical School in the late 70’s.
Here are some simple mindfulness exercises.
https://at250.org/2023/08/16/what-is-mindfulness-chances-are-youre-already-practicing-it/