'Perhaps' in the Bible

There are perhaps fifty righteous within the city: wilt thou also destroy and not forgive the place for the sake of the fifty righteous that are therein?

Perhaps there may want five of the fifty righteous: wilt thou destroy all the city on account of the five? And he said, If I shall find forty-five there, I will not destroy it.

And he continued yet to speak with him, and said, Perhaps there may be forty found there. And he said, I will not do it for the forty's sake.

And he said, Oh, let not the Lord be angry that I speak! Perhaps there may be thirty found there. And he said, I will not do it if I find thirty there.

And he said, Behold now, I have ventured to speak with the Lord. Perhaps there may be twenty found there. And he said, I will not destroy it for the twenty's sake.

And he said, Oh, let not the Lord be angry, that I speak yet but this time! Perhaps there may be ten found there. And he said, I will not destroy it for the ten's sake.

And the servant said to him, Perhaps the woman will not be willing to follow me to this land: must I, then, bring thy son again in any case to the land from which thou hast removed?

And I said to my master, Perhaps the woman will not follow me?

My father perhaps will feel me, and I shall be in his sight as one who mocks him, and I shall bring a curse on me, and not a blessing.

And, moreover, ye shall say, Behold, thy servant Jacob is behind us. For he said, I will propitiate him with the gift that goes before me, and afterwards I will see his face: perhaps he will accept me.

And take other money in your hand, and the money that was returned to you in the mouth of your sacks, carry back in your hand: perhaps it is an oversight.