Trouble is a sieve through which we sift our acquaintances. Those too big to pass through are our friends. - Arlene Francis
In Einstein's theory of relativity the observer is a man who sets out in quest of truth armed with a measuring-rod. In quantum theory he sets out with a sieve. - Sir Arthur Eddington
I pray thee cease thy counsel, Which falls into mine ears as profitless as water in a sieve. - William Shakespeare