The most wonderful study of mankind is man. Relieving human suffering and diffusing universal knowledge is humanitarian.

A great many things which in times of lesser knowledge we imagined to be superstitious or useless prove today on examination to have been of immense value to mankind.

Music is the one incorporeal entrance into the higher world of knowledge which comprehends mankind but which mankind cannot comprehend.

Three passions simple but overwhelmingly strong have governed my life: the longing for love the search for knowledge and unbearable pity for the suffering of mankind.

Reputation is favorable notoriety as distinguished from fame which is permanent approval of great deeds and noble thoughts by the best intelligence of mankind.

Play is the only way the highest intelligence of humankind can unfold.

Every heart that has beat strongly and cheerfully has left a hopeful impulse behind it in the world and bettered the tradition of mankind.

Thought is the wind knowledge the sail and mankind the vessel.

The march of invention has clothed mankind with powers of which a century ago the boldest imagination could not have dreamt.

Jehovah God is truly rich far beyond the imagination of humankind.