If you've signed the document and are ready to hand it to me, then that is that.
The secrets I will share with you are of such a magnitude that the signing of the Pledge of Secrecy is absolutely critical. I signed one, as did my brother and sister gnome engineers. You will be joining quite the auspicious fold, Engineer <name>!
Welcome aboard, <name>! You soon will have access to the most advanced engineering schemata anywhere on Azeroth.
Now that you have committed yourself to the pursuit of this knowledge, it is time to examine your gnome-oriented engineering work. From there, we'll help you build a plan to maximize your gnome engineering talents!