Hatred is love frustrated.

Intellect without humanity is not good enough...what the world is suffering from at the present time is not so much an overabundance of intellect as an insufficiency of humanity.

The idea is to die young as late as possible.

Scientists do not believe in fundamental and absolute certainties. For the scientist, certainty is never an end, but a search; not the ordering of certainty, but its exploration. For the scientist, certainty represents the highest degree of probability.

All education should be directed toward the refinement of the individual's sensibilities in relation not only to one's fellow humans everywhere, but to all living things whatsoever.

There have been some medical schools in which somewhere along the assembly line, a faculty member has informed the students, not so much by what he said but by what he did, that there is an intimate relation between curing and caring.

It is the mark of the cultured man that he is aware of the fact that equality is an ethical and not a biological principle