The man who succeeds above his fellows is the one who early in life, clearly discerns his object, and towards that object habitually directs his powers. Even genius itself is but fine observation strengthened by fixity of purpose. Every man who observes vigilantly and resolves steadfastly grows unconsciously into genius.
Interfaces called transparent allow us to interact
do what we're supposed to do without being aware of how the effects are obtained. We should perhaps speak instead about their opacity, given that we cannot see through them to the machine.