The finest emotion of which we are capable is the mystic emotion.
How can any educated person stay away from the Greeks? I have always been far more interested in them than in science.
Nature conceals her secrets because she is sublime, not because she is a trickster.
The pursuit of truth and beauty is a sphere of activity in which we are permitted to remain children all our lives.
Time is what the clock says.
The most practical solution is a good theory.