Opportunities, like eggs, come one at a time. 45 Amer. Pr.
Opportunities neglected are irrecoverable. Pr.
Opportunity has hair in front, but is bald behind; if you meet her, seize her by the forelock, for Jove himself cannot catch her again if once let slip. Rabelais.
Opportunity is more powerful even than conquerors and prophets. Disraeli.
Opportunity makes desire. Dut. Pr.
Opportunity makes us known to others, but 50 more to ourselves. La Roche.
Oppose not rage while rage is in its force, but give it way awhile and let it waste. Shakespeare.
Opposition always enflames the enthusiast, never converts him. Schiller.
Oppress'd with grief, oppress'd with care, / A burden more than I can bear, / I sit me down and sigh; / O Life, thou art a galling load, / Along a rough and weary road, / To wretches such as I. Burns.
Oppression is more easily borne than insult. Junius.