Only old Japp can stick it out, and he's too old and doddering to care about moving.

I want you to keep your eyes skinned, and write privately to me if you want any help.

You're not out here for your health, I can see, and here's a chance for you to get your foot on the ladder.
'Remember, I'm your friend,' he said to me again at the garden gate.
'Take my advice and lie very low.

Don't talk, don't meddle with drink, learn all you can of the native jabber, but don't let on you understand a word.

You're sure to get on the track of something.