CHAP. X.] GLENLAIE. 309 



in using it as it ought to be used, you will get rid of all the 

 " odium theologicum " and other bitter principles sometimes 

 occurring in parsons' ink, and your heart will indite good 

 matter with the pen of a ready writer. ... :;. 



To C. J. MONRO, Esq. 



Glenlair, 29th April 1858. 



... I displayed my model of Saturn's Eing at the Edin- 

 burgh Eoyal Society on the 19th. The anatomists seemed to 

 take most interest in the construction of it. We are going 

 to do some experiments on colour this summer, if my prisms 

 turn out well. I have got a beautiful set of slits made by 

 Eamage, to let in the different pencils of light at the proper 

 places, and of the proper breadths. 



To Miss K. M. DEWAK. 



2d May 1858. 



Now you must remember that all I say about texts and 

 matters of that sort is only a sort of help to being together 

 when we read, for I am not skilful to know what is the 

 right meaning of anything so as to tell other people, only I 

 have a right to try to make it out myself, and what I say 

 to myself I may say to you. 



To THE SAME. 



6th May 1858. 



Isaiah li. and Gal. v. I suppose the leaven in v. 9 is 

 the little bit of Judaism that they were going to adopt on 

 the plea that it is " safer " to do and believe too much than 

 too little, and yet these little things altered the character of 

 the whole of their religion by making it a thing of labour 

 and wages, instead of an inward growth of faith working by 

 love, which purifies the heart now, and encourages us to 

 wait for the hope of righteousness. But still the desire of 

 the spirit is contrary to the desire of the flesh, the one tend- 

 ing towards God, and the other towards the elements of the 

 world, so that we are kept stretched as it were, and this is 

 our training in this life. Our flesh is God's making, who 



