Vedanta is the most impressive metaphysics the human mind has conceived.

Inventive genius requires pleasurable mental activity as a condition for its vigorous exercise

No period of history has ever been great or ever can be that does not act on some sort of high, idealistic motives, and idealism in our time has been shoved aside, and we are paying the penalty for it.

It is the business of the future to be dangerous; and it is among the merits of science that it equips the future for its duties.

There is a technique, a knack, for thinking, just as there is for doing other things. You are not wholly at the mercy of your thoughts, any more than they are you. They are a machine you can learn to operate.

The art of progress is to preserve order amid change and to preserve change amid order.

The pursuit of mathematics is a divine madness of the human spirit.