Pessimist:The cup is half empty
Phylogeneticist: The CI on my Bayesian relaxed cup model indicates the fullness of the cup is somewhere between 0% and 100%
Pessimist: The cup is half empty
Eugenicist: The cup is as full as it ever can be and any effort we might spend in filling it up is just resources stolen from superior, already-full cups
Pessimist: The cup is half empty
Ecologist: The cup is in a non-equilibrium state, but we can determine whether it is becoming fuller or emptier by fitting this nonlinear differential equation to measurements taken over several years or from many similar cups
Pessimist:The cup is half empty
Phylogeneticist: The CI on my Bayesian relaxed cup model indicates the fullness of the cup is somewhere between 0% and 100%