If you knew the satisfaction of performing such a duty, as well as the gratitude to God which the missionary must always feel, in being chosen for so noble, so sacred a calling, you would have no hesitation in embracing it.
David LivingstoneThe mere animal pleasure of travelling in a wild unexplored country is also great. The effect of travel on a man whose heart is in the right place is that the mind is made more self-reliant: it becomes more confident of its own resources, there is greater presence of mind.
David Livingstone