Funny quote from Albert Einstein related to this topic:

— If they want to see me, here I am. If they want to see my clothes, open my closet.

Said to Elsa after she suggested he change his clothes before receiving a delegation of visitors from German president von Hindenburg, 1932. Quoted in Brian, Einstein, a Life, 235

“No one cuts up a fine silk scarf to patch old work clothes; you want fabrics that match. And you don’t put your wine in cracked bottles.”