His religious beliefs are/form the 'bedrock' on which his life is based.
They dug down for 10 feet before they hit 'bedrock'.
(..) ...at the Topical Conference on Bose-Einstein Condensates. I know. I read it before I threw it out. Okay, if I may drill down to the bedrock of my question... ...why did you throw it out? Because I have no interest in standing in the Rose Room of the Pasadena Marriott... ...in front of a group (..)2008 TvShow: The Big Bang Theory Title: The Cooper-Hofstadter Polarization Season: 1 Episode 9