'Freely' in the Bible

And they may have righteousness put to their credit, freely, by his grace, through the salvation which is in Christ Jesus:

But praise be to God that though you were the servants of sin, you have now given yourselves freely to that form of teaching under which you were placed;

For the reward of sin is death; but what God freely gives is eternal life in Jesus Christ our Lord.

He who did not keep back his only Son, but gave him up for us all, will he not with him freely give us all things?

He who has the power of comforting, let him do so; he who gives, let him give freely; he who has the power of ruling, let him do it with a serious mind; he who has mercy on others, let it be with joy.