320 Medicina Statica . Sett . VII . A P H . XLV . 
44 Study without any one Paflion will hardly en - 44 dure an Hour ; with one only , hardly four Hours - , 44 with a Change of them , as at Dice , ( in which 44 is felt fomctimcs the Hopes of winning , and at 44 others the Fear of lofing ) it may Continue Night 44 and Day . 
A P H . XLVI . 
44 In all Study , continued Sadnefs deitroys the 44 good Conftitution of the Heart , and Excefs of 44 Joy hinders Sleep - , for too much of any thing is 44 an Enemy to Nature . 
A P H . XLVI I . 
44 They who are fomctimcs merry , fomctimcs fací , 44 fometimes angry , and fometimes fearful , enjoy a 44 more healthful Perfpiration , than they who con - 44 tinue in one Affeftion , altho' a good one . 
A P H . XLVIII . 
44 Joy afiifts the Diailole and Syftole of the 44 Heart : but Grief and Melancholy renders them 44 more difficult . 
Explanation . y There fecms to be fo little Variety in the Senfe of molt of the Àpborifms of this Sefticn , that if what has been faid at the Beginning be tended to , an Explanation of a few of them , may ferve for all , and therefore to avoid Repetition , I have been ihort in my Notes thereupon ; and the four preceeding are nothing elfe but fomc of the former in other Words , and require therefore no further Explanation . 
Medicina