I was required to exchange chimeras of boundless grandeur for realities of little worth.
The modern masters promise very little; they know that metals cannot be transmuted and that the elixir of life is a chimera but these philosophers, whose hands seem only made to dabble in dirt, and their eyes to pore over the microscope or crucible, have indeed performed miracles.
…father had taken the pains to explain to me that the principles of Agrippa had been entirely exploded and that a modern system of science had been introduced which possessed much greater powers than the ancient, because the powers of the latter were chimerical, while those of the former were real and practical, under such circumstances I should certainly have thrown Agrippa aside and have contented my imagination, warmed as it was, by returning with greater ardour to my former studies.
There are no more uses of "chimera" in the book.
Show samples from other sources
She describes his dream as a political chimera.
Flaming serpents, chimaeras, and dragons rose and fell and rose again
J.K. Rowling -- Harry Potter and the Deathly Hallows