These are three that I love…and try to live:

When a problem came up at the mills, his first concern was to discover what error he had made; he did not search for anyone’s fault but his own: it was of himself that he demanded perfection.

~From Atlas Shrugged by Ayn Rand (said of Hank Rearden)

Give me six hours to chop down a tree and I will spend the first four sharpening the axe.

~Abraham Lincoln

Do less, but better.

~From Essentialism by Greg McKeown