Question

3 slogans on volcanoes

Answer 1

Dwelling on the past is just as bad as living in it
Life goes on... whether you choose to move on and take a chance in the unknown. Or stay behind, locked in the past, thinking of what could've been.
 

Answer 2

Each volcano is an independent machine—nay, each vent and Monticello is for the time being engaged in its own peculiar business, cooking as it were its special dish, which in due time is to be separately served. We have instances of vents within hailing distance of each other pouring out totally different kinds of lava, neither sympathizing with the other in any discernible manner nor influencing other in any appreciable degree.