stay the course

stay the course idiom
Hold or persevere to the end, as in No, he's not resigning; he's going to stay the course. This metaphoric expression, alluding to a horse running an entire race, was first recorded in 1916.

The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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