Heart rather than appearance.
More Japanese Proverbs:
The winds may fell the massive oak, but bamboo, bent even to the ground, will spring upright after the passage of the storm.
Japanese
Fallen blossom doesn't return to the branch.
Japanese
Even when a samurai has not eaten, he holds his toothpick high.
Japanese
Once you have made a fortune, know how to spend it.
Japanese
When there are two fires in one room, only one will smoke.
Japanese