The tree of possibilities -- Whether the future is necessary (Leibniz) -- Three Kantian solutions to the problem of predeterminism -- The wheel of time (Schopenhauer) -- The plasticity of time -- The time of decision (Schelling) -- The moment (Kierkegaard) -- Decision for temporality (Heidegger) -- The mystery of the future -- Time as the source of freedom (Bergson) -- Freedom at the root of time (Sartre) -- The fecundity of time (Levinas)