think big

think big idiom
Be ambitious, as in There's no point in moving to a place the same size; we have to think big and plan for expansion. [Colloquial; mid-1900s]

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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