Being beautiful is all in the attitude, it's about confidence.
My limbs work, so I'm not going to complain about the way my body is shaped.
There are more useful systems developed in languages deemed awful than in languages praised for being beautiful - many more.
Beauty in art is often nothing but ugliness subdued.
Elegance means being beautiful both on the inside and out.
I have no fear of being less beautiful, I've always been afraid of not being beautiful.
I don't think being beautiful takes away from your credibility.