repeat oneself

Idioms  

1. Express oneself in the same way or with the same words, as in Grandma forgets she has told us this story before and repeats herself over and over, or This architect tends to repeat himself—all his houses look alike. A well-known version of this idiom is the proverb History repeats itself, first recorded (in English) in 1561. For example, Her mother also married when she was 18—history repeats itself. [Mid-1800s]

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Example Sentences

To enlarge on this interesting subject would mean to repeat oneself.

From Bramble-Bees and Others by Teixeira de Mattos, Alexander

To say more about the nest of the summer Resin-bee would be to repeat oneself.

From Bramble-Bees and Others by Teixeira de Mattos, Alexander