The school grew in numbers, and Barnes occupied all his spare time in assiduous study, reading during these years authors so diverse in character as Herodotus, Sallust, Ovid, Petrarch, Buffon and Burns.
But the method which was peculiarly his, and which still forms the open road to discoveries in natural science, consisted in the combination of experiment with calculation - in the transformation of the concrete into the abstract, and the assiduous comparison of results.
The Concord of Wittenberg, made in 1536, was favourable for these schemes, but after five years spent in assiduous preparation war was prevented by the serious illness of the landgrave and the lukewarmness of his allies.
His education was only elementary and very defective, except in mathematics, in which he was largely self-taught; and although at his death he left a considerable library, he was never an assiduous reader.
Burke, on the contrary, was assiduous and orderly, and had none of the vices of profusion.
In 1790 he joined the Jacobin Club, in which the moderate elements still predominated, and was assiduous in attendance at the debates of the National Assembly.
With a view to this work he studied the original authorities on each subject and was most assiduous in making excerpts from their pages.
The years 1865-1870 were occupied with assiduous labour.
Hutchinson, David Hume, Home and Robertson were assiduous in avoiding Scotticisms as far as they might; even Burns, who summed up the popular past of Scotland in his vernacular poetry, as a rule wrote English in his letters, and when he wrote English verse he often followed the artificial style of the 18th century.
Gilbert White's daily life was practically unbroken by any great changes or incidents; for nearly half a century his pastoral duties, his watchful country walks, the assiduous care of his garden, and the scrupulous posting of his calendar of observations made up the essentials of a full and delightful life, but hardly of a biography.