The modern city consists of...dark, narrow streets full of gasoline fumes, coal dust, and toxic gasses, torn by the noise.

In man, the things which are not measurable are more important than those which are measurable.

The secret of life is to be found in life itself, in the full organic, intellectual and spiritual activities of our body.

The search for God is indeed, an entirely personal undertaking.... the most audacious adventure that one can dare.

More than half of all great remedies known to medical history have come from empiricists...'irregulars'...of no or little scientific training. There is no reason to believe that conditions have essentially changed.

A few observation and much reasoning lead to error; many observations and a little reasoning to truth.

...in recognition of his work on vascular suture and the transplantation of blood-vessels and organs.