Man has an intense desire for assured knowledge.

Do you remember how electrical currents and 'unseen waves' were laughed at? The knowledge about man is still in its infancy.

Pure logical thinking cannot yield us any knowledge of the empirical world. All knowledge of reality starts from experience and ends in it.

I cannot imagine a God who rewards and punishes the objects of his creation and is but a reflection of human frailty.

It is, in fact, nothing short of a miracle that the modern methods of instruction have not yet entirely strangled the holy curiosity of inquiry; for this delicate little plant, aside from stimulation, stands mainly in need of freedom; without this it goes to wrack and ruin without fail. It is a grave mistake to think that the enjoyment of seeing and searching can be promoted by means of coercion and a sense of duty.

To the Master's honor all must turn, each in its track, without a sound, forever tracing Newton's ground.

Each act is an island in time, to be judged on its own.