Perseverate used in a sentence

Perseverate in a sentence as a verb

"And I quote: "the best way to learn is to perseverate"

The new digging is at a deeper level and much of what i used to perseverate upon seems reduced in import by orders of magnitude.

If I was his supervisor, his evaluation would say "perseverates".

In psychotherapy, patients may perseverate over vague complaints, feeling off-balance and out of sync.

I even think that what's make part of the learning process in college and university important is to learn to fail sometimes, learn about it and have the resilience to perseverate and improve your grades because in the end this constant struggle is what life is about.