Meanings of never wearying in English

Every time that Bramble opened his lips I gained some information; he was never wearying, and often very amusing.

Such objects are few indeed; but they exist, and constitute the perennial, yet never wearying, stock in trade of comedy.

For long years she had watched these envelopes, never wearying, beginning the struggle over again, when he had thought her beaten, always alert and persistent.

Form and colour and motion are there,-ever-modelling, ever-renewing ,neverwearying.

Never wearying, ever faithful he watched many years.