The Thinking Behind The Tweet

As a rule, you don't see happy faces when people are struggling with their work.

As a rule, you don't see unhappy faces when people are doing a good job.

When put to good use, personal talents & strengths generate two things: positive body language and quality work results. 

Abraham Lincoln

"Every man is proud of what he does well; and no man is proud of what he does not do well. With the former, his heart is in his work; and he will do twice as much of it with less fatigue. The latter performs a little imperfectly, looks at it in disgust, turns from it, and imagines himself exceedingly tired. The little he has done, comes to nothing, for want of finishing."