"Miracles don’t happen every day." ~~ Talmud, Pesachim 50b
"The man to whom a miracle happens is not aware of it himself." ~~ Talmud, Niddah
"Stand not in a place of danger. saying, “a miracle may happen to me!”" ~~ Talmud, Shabbat
"Hope for a miracle—but don’t depend on one." ~~ (based on) Talmud, Megillah 7b
"One must not rely on miracles happening." ~~ Talmud, Pesachim
"He who depends on a miracle will experience none." ~~ Sefer Hachinukh