Humphry Davy Quotes: We must reason in natural philosophy not from what we hope, or even expect, but from what we perceive. ...

We must reason in natural philosophy not from what we hope, or even expect, but from what we perceive. (Humphry Davy)

Humphry Davy Quotes Pictures

Humphry Davy Quotes: We must reason in natural philosophy not from what we hope, or even expect, but from what we perceive.

Humphry Davy Quotes: We must reason in natural philosophy not from what we hope, or even expect, but from what we perceive.

Humphry Davy Quotes: We must reason in natural philosophy not from what we hope, or even expect, but from what we perceive.

Humphry Davy Quotes: We must reason in natural philosophy not from what we hope, or even expect, but from what we perceive.

Humphry Davy Quotes: We must reason in natural philosophy not from what we hope, or even expect, but from what we perceive.

Humphry Davy Quotes: We must reason in natural philosophy not from what we hope, or even expect, but from what we perceive.

Humphry Davy Quotes: We must reason in natural philosophy not from what we hope, or even expect, but from what we perceive.

Humphry Davy Quotes: We must reason in natural philosophy not from what we hope, or even expect, but from what we perceive.

Humphry Davy Quotes: We must reason in natural philosophy not from what we hope, or even expect, but from what we perceive.

Humphry Davy Quotes: We must reason in natural philosophy not from what we hope, or even expect, but from what we perceive.

Humphry Davy Quotes: We must reason in natural philosophy not from what we hope, or even expect, but from what we perceive.

Humphry Davy Quotes: We must reason in natural philosophy not from what we hope, or even expect, but from what we perceive.

Humphry Davy Quotes: We must reason in natural philosophy not from what we hope, or even expect, but from what we perceive.

Humphry Davy Quotes: We must reason in natural philosophy not from what we hope, or even expect, but from what we perceive.

Humphry Davy Quotes: We must reason in natural philosophy not from what we hope, or even expect, but from what we perceive.