The Lord of the Rings movie set an entirely new standard for fantasy in the movies.
Don't mistake a good setup for a satisfying conclusion - many beginning writers end their stories when the real story is just ready to begin.
Resist the temptation to try to use dazzling style to conceal weakness of substance.
It's most presumptuous to believe we already know all the answers and will never get any more big surprises.
Of course, the way writers think about those things is almost certain to be affected by their own cultural background, and it would be hard to deny that, for whatever reasons, a lot of SF writers come from Anglo or European backgrounds.
As for sticking strictly to presently known science, I will simply point out that we have already experienced at least two major revolutions in science in this century alone.
Through our entire history we have become accustomed to pushing [animals] around in ways dictated by our own wants and needs without much regard for theirs.
We're all human so of course there are days when I'm feeling insecure. When that happens, I take time to reflect on how far I've come and how far I will continue to go - it helps me feel empowered and self-assured.
Gods have great power, but only humans have creativity, the power to change history.
Nietzsche seems sometimes to replace the "transcendence" which stands at the center of traditional accounts the existence of a transcendent God, or, failing that, a transcendental viewpoint with that of a continually transcending activity. . . . There is no single, final perspective, but given any one perspective, we can always go beyond it.
I made a startling discovery. Time spent writing = output of work. Amazing.