To do no evil is good; to intend none is better. Claudius.
To do nothing by halves is the way of noble minds. Wieland.
To do, one must be doing. Fr. Pr. 45
To do what is impossible for talent is the mark of genius. Amiel.
To doubt is to dip love in the mire. J. M. Barrie.
To draw a long bow, i.e., exaggerate. Pr.
To dread no eye, and to suspect no tongue, is the greatest prerogative of innocence; an exemption granted only to invariable virtue. Johnson.
To dwell alone is the fate of all great souls. Schopenhauer.
To each nation its believed history is its Bible. Carlyle.
To eat or drink too much, to play too much, 5 to work too much, or to grumble too much—all these are equally pernicious. John Wagstaffe.