Psalms 44 21
wouldn't God have been aware of this, because he knows everyone's thoughts?
Compare with other 3 random translations
EAS Psalms 44:21But if we had done that, you would have discovered it. You know even our most secret thoughts.
AMP Psalms 44:21Would not God discover this? For He knows the secrets of the heart.
ASV Psalms 44:21Will not God search this out? For he knoweth the secrets of the heart.