Matthew 6:1-2
"Take heed that you do not do your charitable deeds before men, to be seen by them. If you do, you will have no reward from your Father in heaven.
Matthew 6:5
"And when you pray, you shall not be like the hypocrites. For they love to pray standing in the synagogues and on the street corners, that they may be seen by men. Truly, I say to you, they have received their reward.
Matthew 6:16
"And when you fast, do not look gloomy, like the hypocrites, for they disfigure their faces that they may be seen by men to be fasting. Truly, I say to you, they have received their reward.
Mark 14:4-5
But there were some who said to themselves indignantly, "Why was this ointment wasted?
Mark 14:37-38
Then he came and found them sleeping, and he said to Peter, "Simon, are you asleep? Could you not watch one hour?