"rest content" is a correct and usable phrase in written English.
It is typically used to describe a feeling of peacefulness or satisfaction, often after achieving a goal. For example, "After spending days planning the party, I am finally feeling rest content."
Those who bought Jowitt's biography can rest content.
Nevertheless, Ishiguro is too subtle and complex a novelist to rest content with such a message.
In any case, Professor Rosenberg does not rest content with some moderate form of naturalism.
Nevertheless, no historian can rest content simply with establishing facts and setting them forth in chronological order.
But rational beings are committed to the search for intelligibility and cannot rest content until it is found.
The novelist John Updike said that "the refusal to rest content... is what distinguishes artists from entertainers, and what makes some artists adventurers on behalf of us all".
The rest contented themselves by voting no but did not lift a finger to slow it down or stop it.
Richard Jeffries, the nineteenth-century British naturalist, wrote: "Never, never rest contented with any circle of ideas, but always be certain that a wider one is still possible".
Our habit of moralizing problems, merging them with intuitions of purity and contamination, and resting content when we feel the right feelings, can get in the way of doing the right thing.
Similarly, she skips over the mass slaughter of dissident Muslims perpetrated by the Ottoman sultan Selim I in preparation for his war against the Safavids in 1514, and rests content with the anodyne half-truth that the Ottoman "government merely provided a framework which enabled different groups... to live together peacefully, each... following its own beliefs and customs".
Professors rested content on the company's advisory board while retaining the security of their hard-earned tenure.
