“How do you ever know for certain that you are doing the right thing?”
Source: All the Light We Cannot See
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Anthony Doerr 55
American writer 1973Related quotes

We The Living (1936)
Source: We The Living Part One Chapter 6

As quoted in The Forbes Book of Business Quotations (2007) edited by Ted Goodman, p. 175

McKenna interview (1992)

“The truth of the matter is that you always know the right thing to do. The hard part is doing it.”
Also attributed to Robert H. Schuller

“If you don't know where you want to be in five years, how do you ever expect to get there?”
Source: Disrupt You! (2015), p. 47