Whatever the day brings, part of it always belongs to sympathy, for the well-being of men and states is ever changing. Thus observation and sympathy are the movements by which we make every moment of time our own—through which we properly live. When their pulse beats faintly, leisure becomes a burden; the bolder spirits then open the door of time and seek eternity.
Source, in full
The Science of Education: Its General Principles Deduced from Its Aim and The Aesthetic Revelation of the World (Science of Education, 1806; Aesthetic Revelation, 1804), trans. Henry M. and Emmie Felkin (London: Swan Sonnenschein & Co., 1892), p. 194.