Matthew 23:28

just so ye put on an air of probity in the sight of men, but within are full of hypocrisy and iniquity.

Matthew 23:5

their phylacterys are broader, and the fringes of their garments are larger than those of others:

Matthew 12:34-35

O degenerate race, how can ye, wicked as ye are, utter any thing that is good? for "'tis the overflowing of the heart that the mouth dischargeth."

Matthew 15:19-20

out of the heart proceed evil designs, murders, adulteries, fornications, thefts, false testimony, slanders.

Mark 7:21-23

for from within, from the heart of man proceed wicked designs, adulteries, fornications, murders; thefts,

Luke 16:15

but he said to them, you pretend to piety before men, which, however they may admire, is an abomination to God, who knows your real temper.

Hebrews 4:12-13

for the word of God is active and efficacious, sharper than any two-edged sword, penetrating even to the division of soul and spirit, to the smallest and most inward parts, distinguishing the thoughts, and intentions of the heart.

Treasury of Scripture Knowledge

Summary

Even so ye also outwardly appear righteous unto men, but within ye are full of hypocrisy and iniquity.

Bible References

Ye also

Matthew 23:5
their phylacterys are broader, and the fringes of their garments are larger than those of others:
Luke 16:15
but he said to them, you pretend to piety before men, which, however they may admire, is an abomination to God, who knows your real temper.
Hebrews 4:12
for the word of God is active and efficacious, sharper than any two-edged sword, penetrating even to the division of soul and spirit, to the smallest and most inward parts, distinguishing the thoughts, and intentions of the heart.

But

Matthew 12:34
O degenerate race, how can ye, wicked as ye are, utter any thing that is good? for "'tis the overflowing of the heart that the mouth dischargeth."
Matthew 15:19
out of the heart proceed evil designs, murders, adulteries, fornications, thefts, false testimony, slanders.
Mark 7:21
for from within, from the heart of man proceed wicked designs, adulteries, fornications, murders; thefts,