Cultivate all your faculties; ...

Cultivate all your faculties; you must either use them or lose them
 John Lubbock

Quotes from the same author

What we see depends mainly on what we look for.
 John Lubbock
A day of worry is more exhausting than a day of work.
 John Lubbock
Fresh air is as good for the mind as for the body. Nature always seems trying to talk to us as if she had some great secret to tell. And so she has.
 John Lubbock
Earth and Sky, Woods and Fields, Lakes and Rivers, the Mountain and the Sea, are excellent schoolmasters, and teach some of us more than we can ever learn from books.
 John Lubbock
Those who have not distinguished themselves at school need not on that account be discouraged. the greatest minds do not necessarily ripen the quickest.
 John Lubbock