John notes Mercury's mind to be an excellent one. What may be her sole weakness, however, would be her impulse, which coupled with pride could lead to bad ideas.

The reason it could be accepted, however, was that the enemy was now hiding and daring not to peek their heads up, and the mist was covering them.

"We'll go through the mists." The Master Chief marks with nav points the moving clouds of water. "But we'll take them quietly."

Another lesson might as well begin: Stealth.