He who devotes sixteen hours a day to hard study may become at sixty as wise as he thought himself at twenty.
Only one who devotes himself to a cause with his whole strength and soul can be a true master. For this reason mastery demands all of a person.
A book is a fragile creature it suffers the wear of time it fears rodents the elements and clumsy hands. so the librarian protects the books not only against mankind but also against nature and devotes his life to this war with the forces of oblivion.
I know of nothing more despicable and pathetic than a man who devotes all the hours of the waking day to the making of money for money's sake.
We've all seen the mom who devotes all her time and attention to her child and is so hungry for adult interaction that as soon as she's around another adult she's not paying attention anymore.
A man is ethical only when life as such is sacred to him that of plants and animals as that of his fellow men and when he devotes himself helpfully to all life that is in need of help.
Money is human happiness in the abstract he then who is no longer capable of enjoying human happiness in the concrete devotes himself utterly to money.