Origin of the work:
1910 Brno, Veškeré spisy J. A. Komenského, vol. XV.
1978 Prague, J.A. Comenii Opera omnia, p3
“Here I have shown that all human affairs turn unto giddiness and how all those who are caught at the periphery of affairs, necessarily are at the same time brought down, tossed mightily and torn off, against which there is in the One God, the eternal centre of things, eternal peace and certainty against destruction” – so Comenius summarised the content and sense of this treatise, which he counts among his conciliatory works, in a letter to Petrus Montanus on December 10th, 1661.
For further study, see also:
J. V. Novák & J. Hendrich, Jan Amos Komenský, jeho život a spisy. Prague 1932, pp93-99
Veškeré spisy J. A, Komenského, vol. XV. Brno 1910, pp381-384
J. A. Comenii Opera omnia, vol. 3. Prague 1978, pp555-557
Jan Kumpera, Jan Amos Komenský, poutník na rozhraní věků. Prague & Ostrava 1992, pp209-210