If the study to which you apply yourself has a tendency to weaken your affections and to destroy your taste for those simple pleasures in which no alloy can possibly mix, then that study is certainly unlawful, that is to say, not befitting the human mind.

It was very different when the masters of science sought immortality and power; such views, although futile, were grand: but now the scene was changed. The ambition of the inquirer seemed to limit itself to the annihilation of those visions on which my interest in science was chiefly founded. I was required to exchange chimeras of boundless grandeur for realities of little worth.

Everything must have a beginning ... and that beginning must be linked to something that went before.

Nothing is so painful to the human mind as a great and sudden change.

I felt emotions of gentleness and pleasure, that had long appeared dead, revive within me. Half surprised by the novelty of these sensations, I allowed myself to be borne away by them, and forgetting my solitude and deformity, dared to be happy.

But success shall crown my endeavours. Wherefore not? Thus far I have gone, tracking a secure way over the pathless seas: the very stars themselves being witnesses and testimonies of my triumph. Why not still proceed over the untamed yet obedient element? What can stop the determined heart and resolved will of man?

If I cannot inspire love, I will cause fear!