Matthew 6:16

And when ye fast, be not as the hypocrites, affecting a gloomy look: for they disfigure their visages, that they may make a shew of fasting to men. Verily I say unto you, That they have their reward.

Romans 12:15

Rejoice with those that rejoice, and weep with those that weep.

Hebrews 13:3

Remember those who are in chains, as in chains with them; and those who are suffering afflictions, as being yourselves 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 ye fast, be not as the hypocrites, affecting a gloomy look: for they disfigure their visages, that they may make a shew of fasting to men. Verily I say unto you, That they have their reward.
Romans 12:15
Rejoice with those that rejoice, and weep with those that weep.
Hebrews 13:3
Remember those who are in chains, as in chains with them; and those who are suffering afflictions, as being yourselves also in the body.