Obiter dicta—Remarks by the way; passing remarks.
Obiter dictum—A thing said in passing.
Objects close to the eye shut out much larger objects on the horizon; and splendours born only of the earth eclipse the stars. So a man sometimes covers up the entire disc of eternity with a dollar, and quenches transcendent glories with a little shining dust. Chapin.
Objects imperfectly discerned take forms from the hope or fear of the beholder. Johnson.
Objects in pictures should be so arranged as 20 by their very position to tell their own story. Goethe.
Oblatam occasionem tene—Seize the opportunity that is offered.
Obligation is thraldom, and thraldom is hateful. Hobbes.
Oblivion is the dark page whereon memory writes her light-beam characters and makes them legible; were it all light, nothing could be read there, any more than if it were all darkness. Carlyle.
Oblivion is the rule, and fame the exception, of humanity. Rivarol.
Oblivion is the second death, which great 25 minds dread more than the first. De Boufflers.