Robert Christy, comp. Proverbs, Maxims and Phrases of All Ages. 1887.

Rat

A good rat will not injure the grain near its own hole.Chinese.

A rat makes a hole, a snake inhabits it.Tamil.

A rat may flood a province.Sydney Smith, speaking of Holland.

An old rat easily finds a hole.Dutch.

An old rat won’t go into a trap.Dutch.

Do you not smell a rat?Ben Jonson.

Many a rat devours the lion.German.

Rats and conquerors must expect no mercy in misfortune.

Rats do not play tricks with kittens.Spanish.

Rats desert a sinking ship.

The rat betrayed by his own trap perishes.Latin.

The rat that has but one hole is soon caught.Spanish, Dutch.

The very rats had instinctively quit it (the ship).Shakespeare.