Riding exposes one to the bad influence of the sun, while by walking the perspiration modifies beneficially the excessive heat.

It is like the difference in effect of cold if one is in activity or sitting, and falling asleep on a stage-coach.

I know ten hot fountains north of the Orange River; the further north the more hot and numerous they become.
[Just here we find a note, which does not bear reference to anything that occurred at this time.

Men, in the midst of their hard earnest toil, perceive great truths with a sharpness of outline and a depth of conviction which is denied to the mere idle theorist: he says:--] The spirit of Missions is the spirit of our Master: the very genius of His religion.

A diffusive philanthropy is Christianity itself.