I consider mountain climbing the biggest nonsense.
5 seconds sound clip from the The Eiger Sanction movie soundboard.
You can hear this line at 01:26:08 in the Blu-ray version of the movie.
Quote context
[...]
- Hey, Jon, sit down, have a beer.
- I've got a friend checking in, but I guess I can always go for a beer.
- What's this about your last mountain?
- Well, I'm not longer young. Think of it. At 42, maybe I shall be the oldest man to climb the Eiger.
- What do you think about that, Madam? How do you feel about climbing?
- I consider mountain climbing the biggest nonsense.
- By now, she must be very anxious to see you climb the mountain.
- Doctor, a message from the gentleman outside.
- I think I'll take a stroll. Madam Montaigne, would you care to join me?
- Well, I think I shall return to my room. If you will excuse me?
[...]