HIS WORK FOR POSTERITY 221 



and on such occasions his heart seemed to glow with 

 celestial fire, and torrents of the most touching elo- 

 quence fell from his lips. His favourite observation or 

 motto was Theologia naiuralis est vera philosophia. The 

 works of nature best teach the being of a God. Over 

 the door of his lecture-hall he had inscribed ' INNOCUI 

 VIVITE ! NUMEN ADEST ' < Live guiltless ! God observes 

 you.' 1 ' The belief in a good and just God is the founda- 

 tion, if not of a scientific habit of mind, still of a habit 

 of mind into which science can fall and seed and bring 

 forth good fruit.' 2 



He assisted his pupils by his purse as well as by his 

 advice ; for, though he is said to have loved gold more 

 than any other mineral, he was generous. For my part, 

 I believe he was always open-handed with his money ; 

 but, perhaps fortunately for him, his wife was of the 

 contrary disposition, although by her parsimony she ex- 

 posed him to the charge of meanness. We meet frequent 

 proof throughout the records of his life of his having done 

 many an act of expensive generosity. Remembering 

 the kindness of Rothman, Stobaeus, and others to him- 

 self in his Own young days, he sought to repay it by 

 passing on the same benefits to poor students of the 

 succeeding generation. Several of the poorest he took 

 into his house, employing them busily as secretaries 

 for he could dictate at once to his secretary and a dozen 

 pupils besides.' 3 He committed his son Carl, at the age 

 of nine or ten, to some of his favourite pupils, with the 

 1 Stoever. 2 Kingsley. 8 Smith. 



