This is a canonical quote, and it’s rather lovely. It’s from the Samyutta Nikaya, and in Bhikkhu Bodhi’s translation you’ll find it on page 708:
“Therefore, bhikkhus, you should train yourselves thus: ‘We will develop and cultivate the liberation of mind by lovingkindness, make it our vehicle, make it our basis, stabilize it, exercise ourselves in it, and fully perfect it.’ Thus should you train yourselves.”
“If a man going down into a river, swollen and swiftly flowing, is carried away by the current — how can he help others across?” – The Buddha
(From the Sutta Nipata)
This is a genuine Buddha quote, from the Samyutta Nikaya.
Whoever doesn’t flare up
at someone who’s angry
wins a battle
hard to win.
– The Buddha
This is a genuine quote from the Buddhist scriptures. It’s from the Karaniya Metta Sutta:
“Just as a mother would protect her only child with her life, even so let one cultivate a boundless love towards all beings.” Buddha
“As a mother would protect her only child with her life … cultivate a boundless love towards all beings.” Buddha
This is a genuine quote from the Buddhist scriptures. It’s from the Sutta Nipata.
“In whom there is no sympathy for living beings: know him as an outcast.” The Buddha
This is a genuine Buddha Quote. It’s from the Bhaddekaratta Sutta. Here are two other translations.
“Ardently do today what must be done. Who knows? Tomorrow, death comes.” The Buddha
From the Dhammapada, verse 35:
“A disciplined mind brings happiness.” The Buddha
From the Dhammapada, verse 223:
“Conquer anger with non-anger. Conquer badness with goodness.” The Buddha
“Conquer meanness with generosity. Conquer dishonesty with truth.” The Buddha
“‘All conditioned things are impermanent’ — when one sees this with wisdom, one turns away from suffering.” The Buddha
This is a genuine Buddha quote. It’s from the Dhammapada, verse 277.
“Just as the great ocean has one taste, the taste of salt, so also this teaching and discipline has one taste, the taste of liberation.” The Buddha (from the Udana)