Asa Gray

The former conviction that these two kingdoms were wholly different in structure, in function, and in kind of life, was not seriously disturbed by the difficulties which the naturalist encountered when he undertook to define them.

Download

Rotate quotes

Filter by keyword:
conviction define difficulty

These are some quotes by American author Asa Gray Scientist, who lived between November 18, 1810 and January 30, 1888.

Quotes by Asa Gray

We may take it to be the accepted idea that the Mosaic books were not handed down to us for our instruction in scientific knowledge, and that it is our duty to ground our scientific beliefs upon observation and inference, unmixed with considerations of a different order.

Asa Gray

acceptbeliefbook

This substance, which is manifold in its forms and protean in its transformations, has, in its state of living matter, one physiological name which has become familiar, that of protoplasm.

Asa Gray

familiarformlive

In short, the animal and vegetable lines, diverging widely above, join below in a loop.

Asa Gray

animaldivergejoin

Related Quotes

Man needs difficulties; they are necessary for health.

Carl Jung

difficultyhealthman

We define ourselves as intelligent. That's odd, because we're doing the definition - We're creating our own definition and saying, 'We are intelligent!'

Neil deGrasse Tyson

createdefinedefinition

Honest conviction is my courage; the Constitution is my guide.

Andrew Johnson

constitutionconvictioncourage