Matthew 6:16

And when you may fast, be not like the hypocrites, of a sad contenance: for they disfigure their faces, in order that they may appear unto the people fasting. Truly I say unto you, They exhaust their reward.

Romans 12:15

Rejoice with them that rejoice; weep with them that weep.

Hebrews 13:3

Remember those bound, as having been bound along with them; those suffering persecutions, as you yourselves being also in the body.

Treasury of Scripture Knowledge

Summary

And Mephibosheth the son of Saul came down to meet the king, and had neither dressed his feet, nor trimmed his beard, nor washed his clothes, from the day the king departed until the day he came again in peace.

Bible References

Dressed his feet

Matthew 6:16
And when you may fast, be not like the hypocrites, of a sad contenance: for they disfigure their faces, in order that they may appear unto the people fasting. Truly I say unto you, They exhaust their reward.
Romans 12:15
Rejoice with them that rejoice; weep with them that weep.
Hebrews 13:3
Remember those bound, as having been bound along with them; those suffering persecutions, as you yourselves being also in the body.