“Take care of him, Soteria. And remember it takes great courage and heart for a man who knows no kindness to show it to another. Even the wildest of beasts can be tamed by a patient and gentle hand. (Takeshi)”

A Village Commune http://books.google.com/books?id=4rksAAAAYAAJ&q=%22take+hope+from+the+heart+of+man+and+you+make+him+a+beast+of+prey%22&pg=PA206#v=onepage (1881)
Cited in: Pratiyogita Darpan https://books.google.nl/books?id=trBMVnMmk6oC&pg=PT47&lpg=PT47&dq=%22Take+hope+from+the+heart+of+man+and+you+make+him+a+beast+of+prey%22&source=bl&ots=CrxbsmwOru&sig=5n_dKLOkkZs7IlJucIBMAy2gG_Y&hl=nl&sa=X&ved=0ahUKEwiIyumfwJ_LAhWDNpoKHRGjBxoQ6AEIWjAH#v=onepage&q=%22Take%20hope%20from%20the%20heart%20of%20man%20and%20you%20make%20him%20a%20beast%20of%20prey%22&f=false, February 2009

A Magazine of People and Possibilities interview (1998)

Grzegorz Strzelczyk, a Catholic priest who co-authored a book that was a conversation record between him and Vetulani, in an interview with Tygodnik Sanocki http://tygodniksanocki.pl/2017/10/08/czy-w-mozgu-mieszka-bog/ (in Polish).

XV. 54–55 (tr. G. H. Palmer).
Odyssey (c. 725 BC)

Source: P.S. I Still Love You

Thiis was published without credit in The Best Loved Poems of the American People (1936) with the title "Friendship", and since that time has sometimes been misattributed http://www.geonius.com/eliot/quotes.html to Eliot; it is actually an adaptation of lines by Dinah Craik, in A Life for a Life (1859):
Misattributed
Context: Oh, the comfort —
the inexpressible comfort of feeling safe with a person —
having neither to weigh thoughts nor measure words,
but pouring them all right out,
just as they are,
chaff and grain together;
certain that a faithful hand will take and sift them,
keep what is worth keeping,
and then with the breath of kindness blow the rest away.

Daniel Martin (1977)

Message regarding unacceptable behaviour (2013)
Context: Every one of us is responsible for the culture and reputation of our army and the environment in which we work. If you become aware of any individual degrading another, then show moral courage and take a stand against it. No one has ever explained to me how the exploitation or degradation of others, enhances capability, or honours the traditions of the Australian Army.

Book Sometimes you win Sometimes you Learn