Friendship multiplies the ...

Friendship multiplies the good of life and divides the evil.
 Baltasar Gracián

Quotes from the same author

True friendship multiplies the good in life and divides its evils. Strive to have friends, for life without friends is like life on a desert island... to find one real friend in a lifetime is good fortune; to keep him is a blessing.
 Baltasar Gracián
Without courage, wisdom bears no fruit.
 Baltasar Gracián
A bad manner spoils everything, even reason and justice; a good one supplies everything, gilds a No, sweetens a truth, and adds a touch of beauty to old age itself.
 Baltasar Gracian
Great ability develops and reveals itself increasingly with every new assignment.
 Baltasar Gracian
Most do violence to their natural aptitude, and thus attain superiority in nothing.
 Baltasar Gracian