'Development' in the Bible

So then, let us pursue [with enthusiasm] the things which make for peace and the building up of one another [things which lead to spiritual growth].

And this I pray, that your love may abound more and more [displaying itself in greater depth] in real knowledge and in practical insight,

And we desire for each one of you to show the same diligence [all the way through] so as to realize and enjoy the full assurance of hope until the end,