We should look to the mind, and not to the outward appearance.
Aesop
The outward man is the swinging door; the inner man is the still hinge.
Meister Eckhart
Human improvement is from within outward.
James Anthony Froude
A man is hindered and distracted in proportion as he draws outward things to himself.
Thomas a Kempis
Love does not consist in gazing at each other, but in looking outward together in the same direction.
Antoine de Saint-Exupery
Tear man out of his outward circumstances; and what he then is; that only is he.
Johann G. Seume