For instance, two of the proposals are based on the Defensive Patent License, which would involve mutual promises to assert patents only defensively. (eff.org)
It is no accident that in most marriage services of the present the wife does not promise to «obey,» but there is instead a mutual promise by each to «love... comfort... honor... and keep» the other. (religion-online.org)
As set forth in this agreement below, in consideration of the mutual promises and conditions made here and for other good and valuable consideration, we agree to the following: (eat-sleep-love.com)