on occasion

"One of the aims of my father and John was to show that on occasion, the family of humankind could be joyous together and celebrate together," said Brasher.

We would meet for dinner on occasion and there would be people like Sidney Poitier there.

There were concerns he was repeatedly going missing and stealing; fears he was being exploited to use and deal drugs and that he had, on occasion, also left home with a knife.

Unfortunately, I've resigned myself to the fact that on occasion, I might be susceptible to these kinds of attack, which is pretty depressing.

Hancock has been playing the piano for almost 80 years, but the instrument still gives him so much joy, that on occasion, during a session on the keys, he finds himself sobbing.