by the eye
(obsolete, idiomatic) In abundance.
People seen by the mind are exactly different to things seen by the eye. They grow smaller and smaller as you come nearer down to them, whereas things become bigger. Anthony Trollope
The discovery of printing in the middle of the fifteenth century implied the beginning of a return to a type of civilization dominated by the eye rather than the ear. Harold Innis
Men judge generally more by the eye than by the hand, for everyone can see and few can feel. Every one sees what you appear to be, few really know what you are. Niccolò Machiavelli
The first-beginnings of things cannot be distinguished by the eye. Lucretius
I give the degrees of things seen by the eye as the musician does of the sounds heard by the ear. Leonardo da Vinci
Judge not by the eye but by the heart. Native American Proverb