Below, I have gathered some inspiring material about science and physics, writing, speaking, doing research, and teaching.
Science and physics
Science and physics
Richard Feynman - The Feynman lectures on physics (link)
David Tong - Lectures on theoretical physics (link)
Bill Bryson - A short history of nearly everything (link)
Writing
Writing
George Orwell - Politics and the English Language (pdf)
Vladimir Krasnov - How to write a contemporary scientific article (pdf)
Scott Hotaling - Simple rules for concise scientific writing (pdf)
Principae - Structuring thoughts (link)
Speaking
Speaking
Robert Geroch - Suggestions for giving talks (pdf)
research Inspiration
research Inspiration
Cal Newport - Deep Work: Rules for Focused Success in a Distracted World (link)
Oded Goldreich - On our duties as scientists (pdf)
Teaching
Teaching