The more one thinks, the more one feels the hopeless immensity of man's ignorance.

On your life, underestimating the proclivities of finches is likely to lead to great internal hemorrhaging.

But when on shore, & wandering in the sublime forests, surrounded by views more gorgeous than even Claude ever imagined, I enjoy a delight which none but those who have experienced it can understand.

An agnostic would be the more correct description of my state of mind.

It is a truly wonderful fact - the wonder of which we are apt to overlook from familiarity - that all animals and all plants throughout all time and space should be related to each other in group subordinate to group.

One hand has surely worked throughout the universe.

I always make special notes about evidence that contridicts me: supportive evidence I can remember without trying.