Scepticism is the attitude assumed by the student in relation to the particulars which society adores; but which he sees to be reverent only in their tendency and spirit. Emerson.
Scepticism is unbelief in cause and effect. Emerson.
Scepticism means not intellectual doubt alone, but moral doubt; all sorts of infidelity, insincerity, and spiritual paralysis. Carlyle.
Scepticism, with its innumerable mischiefs, what is it but the sour fruit of a most blessed increase, that of knowledge; a fruit, too, that will not always continue sour. (?)
Scepticism writing about belief may have great 50 gifts; but it is really ultra vires there. It is blindness laying down the laws of optics. Carlyle.
Schadet ein Irrtum wohl? Nicht immer! aber das Irren / Immer schadet's. Wie sehr, sieht man am Ende des Wegs—Does an error do harm you ask? Not always! but going wrong always does. How far we shall certainly find out at the end of the road. Goethe.
Schall und Rauch umnebeln Himmels-Gluth—Sound and smoke overclouding heaven's splendour. Goethe.
Schäme dich deines Handwerks nicht—Think no shame of your craft. Ger. Pr.
Schwärmerei—An enthusiasm with which one or a mass of people is infected. Ger.
Scheiden, ach Scheiden, Scheiden thut weh!—Parting, ah! parting; parting makes the heart ache. Herloszsohn.