Enmity within

Kural - 881
Water and shade, if they unwholesome prove, will bring you pain.
And qualities of friends who treacherous act, will be your bane
Meaning :Shade and water are not pleasant, (if) they cause disease; so are the qualities of (one's) relations not agreeable, (if) they cause pain.
Kural - 882
Dread not the foes that as drawn swords appear;
Friendship of foes, who seem like kinsmen, fear!
Meaning :Fear not foes (who say they would cut) like a sword; (but) fear the friendship of foes (who seemingly act) like relations.
Kural - 883
Of hidden hate beware, and guard thy life;
In troublous time 'twill deeper wound than potter's knife.
Meaning :Fear internal enmity and guard yourself; (if not) it will destroy (you) in an evil hour, as surely as the tool which cuts the potter's clay.
Kural - 884
If secret enmities arise that minds pervert,
Then even kin unkind will work thee grievous hurt.
Meaning : The secret enmity of a person whose mind in unreformed will lead to many evils causing disaffection among (one's) relations.
Kural - 885
Amid one's relatives if hidden hath arise,
'Twill hurt inflict in deadly wise.
Meaning :If there appears internal hatred in a (king's) family; it will lead to many a fatal crime..
Kural - 886
If discord finds a place midst those who dwelt at one before,
'Tis ever hard to keep destruction from the door.
Meaning :If hatred arises among (one's) own people, it will be hardly possible (for one) to escape death
Kural - 887
As casket with its cover, though in one they live alway,
No union to the house where hate concealed hath sway.
Meaning :Never indeed will a family subject to internal hatred unite (really) though it may present an apparent union like that of a casket and its lid.
Kural - 888
As gold with which the file contends is worn away,
So strength of house declines where hate concealed hath sway.
Meaning : A family subject to internal hatred will wear out and lose its strength like iron that has been filed away.
Kural - 889
Though slight as shred of 'seasame' seed it be,
Destruction lurks in hidden enmity.
Meaning :Although internal hatred be as small as the fragment of the sesamum (seed), still does destruction dwell in it.
Kural - 890
Domestic life with those who don't agree,
Is dwelling in a shed with snake for company.
Meaning : Living with those who do not agree (with one) is like dwelling with a cobra (in the same) hut.