You can tell more about a person by what he says about others than you can by what others say about him.  
The development of MRI has revolutionized the field of medical imaging, allowing us to see inside the human body in ways that were previously unimaginable.
The tigers of wrath are wiser than the horses of instruction.
La poesía es la única prueba concreta de la existencia del hombre.
"Innovation in cancer treatment comes from challenging the status quo."
We shall know some day that death can never rob us of that which our soul has gained, for her gains are one with herself.