All that is transitory is but a metaphor.

The mark of highest originality lies in the ability to develop a familiar idea so fruitfully that it would seem no one else would ever have discovered so much to be hidden in it.

The field of experience is the whole universe in all directions. Theory remains shut up within the limits of human faculties.

When you take a man as he is, you make him worse. When you take a man as he can be, you make him better.

Science arose from poetry... when times change the two can meet again on a higher level as friends.

To the world you might be one person, but to one person, you might be the world. Kindness is the golden chain by which our world is bound together.

Give me those days with heart in riot, The depths of bliss that touched on pain, The force of hate, and love's disquiet- Ah, give me back my youth again!