Matthew 6:1-2
"Take care not to do your good deeds in public, to attract the attention of people; if you do, you will get no reward from your Father in heaven.
Matthew 6:5
"Also, whenever you pray, you must not be like the hypocrites, for they love to pray standing in the synagogues and on the street corners, to attract the attention of people. I solemnly say to you, they already have their reward.
Matthew 6:16
"Also whenever you fast, you must not look gloomy like the hypocrites, for they put on a gloomy countenance, to let people see them fasting. I solemnly say to you, they already have their reward.
Mark 14:4-5
But some of the guests were indignantly saying to themselves, "Why was such a waste of the perfume made?
Mark 14:37-38
And He went back and found them asleep, and He said to Peter, "Simon, are you asleep? Could you not watch a single hour?