Do every day or two something for no other reason than its difficulty.

The first effect of the mind growing cultivated is that processes once multiple get to be performed in a single act. Lazarus has called this the progressive "condensation" of thought. ... Steps really sink from sight. An advanced thinker sees the relations of his topics is such masses and so instantaneously that when he comes to explain to younger minds it is often hard ... Bowditch, who translated and annotated Laplace's Méchanique Céleste, said that whenever his author prefaced a proposition by the words "it is evident," he knew that many hours of hard study lay before him.

Sobriety diminishes, discriminates, and says no; drunkenness expands, unites, and says yes. Not through mere perversity do men run after it.

Pluralism lets things really exist in the each-form or distributively. Monism thinks that the all-form or collective-unit form is the only form that is rational.

Why may we not be in the universe, as our dogs and cats are in our drawingrooms and libraries?

When you have to make a choice and don't make it, that is in itself a choice.

There must always be a discrepncy between concepts and reality, because the former are static and discontinuous while the latter is dynamic and flowing