Be brave enough to do the loving thing.
The health of the eye demands a horizon.
No man can help another without helping himself.
Genius, even, as it is the greatest good, is he greatest harm.
There is no doctrine of the Reason which will bear to be taught by the Understanding.
Of all tools, an observatory is the most sublime. . . . What is so good in a college as an observatory? The sublime attaches to the door and to the first stair you ascent, that this is the road to the stars.