past participle of know which side one's bread is buttered on

Alternative form of what doesn't kill you makes you stronger

One doesn't require an expert to tell one what one already knows.

(interrogative) Which ever; emphatic form of 'which'. / Regardless of the ... that; no matter which. / Any or either ... that; the ... that. / According to or depending upon which.

(interrogative) Which ever; emphatic form of 'which'. / Irrespective of the one(s) that; no matter which one(s). / Any or either one(s) that; the one(s) that. / (informal) Any or either one(s).

Synonym of any way one slices it