'Truly' in the Bible

Then the Lord said to him, Truly, I will be with you, and you will overcome the Midianites as if they were one man.

And the thorn said to the trees, If it is truly your desire to make me your king, then come and put your faith in my shade; and if not, may fire come out of the thorn, burning up the cedars of Lebanon.

So now, if you have done truly and uprightly in making Abimelech king, and if you have done well to Jerubbaal and his house in reward for the work of his hands;

Then Samson's wife, weeping over him, said, Truly you have no love for me but only hate; you have put a hard question to the children of my people and have not given me the answer. And he said to her, See, I have not given the answer even to my father or my mother; am I to give it to you?

And Samson said to them, If you go on like this, truly I will take my full payment from you; and that will be the end of it.

And they said, No; we will take you and give you up into their hands, but truly we will not put you to death. So knotting two new cords round him they took him up from the rock.

Then Delilah said to Samson, See, you have been making sport of me with false words; now, say truly how may you be put in bands?

Then Delilah said to Samson, Up to now you have made sport of me with false words; now say truly, how may you be put in bands? And he said to her, If you get the seven twists of my hair worked into the cloth you are making and fixed with the pin, I will become feeble and will be like any other man.