Sacrifices: Sanhendrin 43b

Rabbi Joshua ben Levi said: When the Temple existed, if a person made an Olah sacrifice, he received a reward for the Olah.  If a person made a grain offering, he received a reward for the grain offering.  Whoever, one who is very humble receives reward as if he made all of the sacrifices, as it is written (Psalms 51:19) "A broken spirit is G-d sacrifices."  Furthermore, his prayers will not be despised, as it is written (Psalms 51:19) "G-d, do not despise a broken and downtrodden heart."