Since every Jack became a gentleman, / There's many a gentle person made a Jack. Rich. III., i. 3.
Since grief but aggravates thy loss, / Grieve 20 not for what is past. Percy.
Since not only judgments have their awards, but mercies their commissions, snatch not at every favour, nor think thyself passed by if they fall upon thy neighbour. Sir T. Browne.
Since the invention of printing no state can now any longer be formed purely, slowly, and by degrees from itself. Jean Paul.
Since time is not a person we can overtake when he is past, let us honour him with mirth and cheerfulness of heart while he is passing. Goethe.
Since trifles make the sum of human things, / And half our misery from our foibles springs. Hannah More.
Since we have a good loaf, let us not look for 25 cheesecakes. Cervantes.
Sincere wise speech (even) is but an imperfect corollary, and insignificant outer manifestation of sincere wise thought. Carlyle.
Sincerity, a deep, great, genuine sincerity, is the first characteristic of all men in any way heroic. Carlyle.
Sincerity gives wings to power. (?)