You know what they say: 'variety is the spice of life'. [=life is more interesting and enjoyable when you do different things]
The talks covered a wide/great 'variety of' topics. [=the talks covered many different topics]
I was surprised by the 'variety' of the choices that were available.
(..) a very amusing incident with a kebab, um, which is one of many amusing incidents. Thanks. l'll think about it. Or, in the bigger hardback variety, there's-- l'm sorry. Can you just give me a second ? Excuse me. - Yes ? (..)1999 Notting Hill