Stick in the eye image from

You see the sliver in your friend's eye... (Thomas 26)

You hypocrite! First remove the beam from your own eye... (Luke 6:41-42)

When the Sun Went Down image from

What goes into your mouth will not defile you... (Thomas 14:5)
But the things which proceed out... (Mark 7:14-15)

Cat snake image from

As for you, be as sly as snakes... (Thomas 39:3)

Innocence image from

And harmless as doves. (Matthew 10:16)

His necklace image from

-Multiple attested
-Early sources

These are sayings that likely go back to Jesus.