A LABORIOUS YOUTH 17 



extract a maximum of profit from the employ- 

 ment of his time. He roomed with a few com- 

 rades not far from the Pension, and his entire 

 time was devoted to study. Too much of his 

 time to suit Chappuis, who would have liked a 

 greater proportion of amusement, and too 

 much also, to suit his father, who was anxious 

 about his health. 



Louis Pasteur's habit was to rise in the morn- 

 ing at half past five, for he had to tutor certain 

 pupils of M. Barbet from six o'clock until 

 seven, for he had been admitted to the Pension 

 on payment of only one-third of the usual fee ; 

 then he attended courses at the Lycee Saint- 

 Louis, went to the Sorbonne to hear the lec- 

 tures of the famous chemist Dumas, who af- 

 forded him many a devout thrill when he spoke 

 loftily of science and of the vast horizons that 

 it opens to the human eye. He returned from 

 these inspiring lessons, trembling with emo- 

 tion, burning with the desire to mark his own 

 trail among those of his precursors, to be one 

 of those who have raised a corner of the veil 



