Talking about music is like dancing about architecture. Steve Martin
Mathematics is the only science where one never knows what one is talking about nor whether what is said is true. Bertrand Russell
I love talking about nothing. It is the only thing I know anything about. Oscar Wilde
Talking about bulls is altogether different from being in the arena. Spanish Proverb
Gossipers always suspect that others are talking about them. Yoruba Proverb
When an ant says 'ocean', he's talking about a puddle. Afghan Proverb