Final answer:
The passage describes emotions and experiences of curiosity, earnest research, gladness, and wonder.
Step-by-step explanation:
In the passage, the emotions and experiences described include curiosity, earnest research, gladness, and wonder. The author expresses a strong desire to uncover the secrets of the world and a sense of joy and rapture as they are revealed. Overall, the passage conveys a sense of excitement and fascination with the unknown.