In other studies you go as far as other have gone before you, and there is nothing more to know; but in a scientific pursuit there is continual food for discovery and wonder.

I trembled, and my heart failed within me; when, on looking up, I saw, by the light of the moon, the daemon at the casement.

Even where the affections are not strongly moved by any superior excellence, the companions of our childhood always possess a certain power over our minds which hardly any later friend can obtain. They know our infantine dispositions, which, however they may be afterwards modified, are never eradicated; and they can judge of our actions with more certain conclusions as to the integrity of our motives.

You seek for knowledge and wisdom as I once did; and I ardently hope that the gratification of your wishes may not be a serpent to sting you, as mine has been.

I am not a person of opinions because I feel the counter arguments too strongly.

...we are unfashioned creatures, but half made up, if one wiser, better, dearer than ourselves - such a friend ought to be - do not lend his aid to perfectionate our weak and faulty natures.

But her's was the misery of innocence, which, like a cloud that passes over the fair moon, for a while hides, but cannot tarnish its brightness.