Quotations about:
    self-redemption

Dig within. There lies the well-spring of good: ever dig, and it will ever flow.

[Ἔνδον σκάπτε, ἔνδον ἡ πηγὴ τοῦ ἀγαθοῦ καὶ ἀεὶ ἀναβλύειν δυναμένη, ἐὰν ἀεὶ σκάπτῃς.]

Marcus Aurelius (AD 121-180) Roman emperor (161-180), Stoic philosopher

Meditations [To Himself; Τὰ εἰς ἑαυτόν], Book 7, ch. 59 (7.59) (AD 161-180) [tr. Staniforth (1964)]
    (Source)

On how to turn accidents and misfortune into learning experiences and behavior he will approve of in himself.

(Source (Greek)). Alternate translations:

Look within; within is the fountain of all good. Such a fountain, where springing waters can never fail, so thou dig still deeper and deeper.
[tr. Casaubon (1634), 7.31]

Look Inwards, and turn over your self; For you have a lasting Mine of Happiness at home, if you will but Dig for't.
[tr. Collier (1701), 7.60]

Look inwards; within is the fountain of good; which is ever springing up, if you be always digging in it.
[tr. Hutcheson/Moor (1742)]

Look into your own bosom; for you have there a fountain of happiness, if you will searcyh for it, and suffer it to flow without interruption.
[tr. Graves (1792), 7.52]

Look within. Within is the fountain of good, and it will ever bubble up, if thou wilt ever dig.
[tr. Long (1862)]

Look inwards, for you have a lasting fountain of happiness at home that will always bubble up if you will but dig for it.
[tr. Collier/Zimmern (1887)]

Dig within. Within is the fountain of good; ever dig, and it will ever well forth water.
[tr. Rendall (1898)]

Look inward. Within is the fountain of Good. Dig constantly and it will ever well forth.
[tr. Hutcheson/Chrystal (1902)]

Look within. Within is the fountain of Good, ready always to well forth if thou wilt always delve.
[tr. Haines (Loeb) (1916)]

Delve within; within is the fountain of good, and it is always ready to bubble up, if you always delve.
[tr. Farquharson (1944)]

Dig within; for within you lies the fountain of good, and it can always be gushing forth if only you always dig.
[tr. Hard (1997 ed.)]

Dig deep; the water -- goodness -- is down there. And as long as you keep digging, it will keep bubbling up.
[tr. Hays (2003)]

Dig inside yourself. Inside there is a spring of goodness ready to gush at any moment, if you keep digging.
[tr. Hammond (2006)]

Turn your attention within, for the fountain of all that is good lies within, and it is always ready to pour forth, if you continually delve in.
[tr. Needleman/Piazza (2008)]

Dig within; for within you lies the fountain of good, and it can always be gushing forth if only you always dig.
[tr. Hard (2011 ed.)]

Search inside yourself; inside you is the fountain of goodness, and it continues to surge as long as you search.
[ed. Taplin (2016)]