O thou who art able to write ...

O thou who art able to write a Book, which once in the two centuries or oftener there is a man gifted to do, envy not him whom they name City-builder, and inexpressibly pity him whom they name Conqueror or City-burner! Thou too art a Conqueror and Victor; but of the true sort, namely over the Devil: thou too hast built what will outlast all marble and metal, and be a wonder-bringing City of the Mind, a Temple and Seminary and Prophetic Mount, whereto all kindreds of the Earth will pilgrim.
O thou who art able to write a Book, which once in the two centuries or oftener there is a man gifted to do, envy not him whom they name City-builder, and inexpressibly pity him whom they name Conqueror or City-burner! Thou too art a Conqueror and Victor; but of the true sort, namely over the Devil: thou too hast built what will outlast all marble and metal, and be a wonder-bringing City of the Mind, a Temple and Seminary and Prophetic Mount, whereto all kindreds of the Earth will pilgrim.

Quotes from the same author

Permanence, perseverance and persistence in spite of all obstacles, discouragements, and impossibilities: It is this, that in all things distinguishes the strong soul from the weak.
Silence is deep as Eternity; Speech is shallow as Time.
This world, after all our science and sciences, is still a miracle; wonderful, inscrutable, magical and more, to whosoever will think of it.
Instead of saying that man is the creature of circumstance, it would be nearer the mark to say that man is the architect of circumstance.
Do not be embarrassed by your mistakes. Nothing can teach us better than our understanding of them. This is one of the best ways of self-education.