Matthew 6:1-2
Take care not to perform any religious act in order to be observed by men: otherwise you will have no reward from your father who is in heaven.
Matthew 6:5
And when you pray, be not as the hypocrites are: for they chuse to stand praying in publick places, and at the corners of the streets, to be observ'd by men. I assure you, they have their reward.
Matthew 6:16
When ye fast, don't put on a dismal air, as the hypocrites do, who look dejected, that men may take notice of their fasting: I assure you, they have their reward.
Mark 14:4-5
but some had a secret indignation, and said, why must the perfume be so wasted?
Mark 14:37-38
Then he return'd, and having found them sleeping, he said to Peter, Simon, are you asleep? could you not watch one hour?