A woman is like a tea bag. You don't know its strength until it's in hot water.
Source, in full
Speech to El Paso County Republicans, 30 October 1963, in the Colorado Springs Gazette Telegraph, no. 29,482 (31 October 1963), p. 13. Sometimes attributed to Eleanor Roosevelt. Misattributed to Nancy Reagan, who often repeated it
Notes from Wikiquote
A woman is like a tea bag. Only when in hot water do you realise how strong she is. | A woman is like a tea-bag. It's only when she's in hot water that you realise how strong she is. | A woman is like a tea bag. You don't know her strength until she is in hot water. | A woman is like a tea bag. You never know her strength until she is in hot water.