No physical quantity can continue to change exponentially forever. Your job is delaying forever.
One thing a leader does is to remove the stigma of mistakes.
If you'd asked me in 1980 what the big impact of microprocessors would be, I probably would have missed the PC. If you asked me in 1990 what was important, I probably would have missed the Internet.
If everything you try works, you aren't trying hard enough.
The number of transistors on an integrated circuit will double in about 18 months.
I remember the difficulty we had in the beginning replacing magnetic cores in memories and eventually we had both cost and performance advantages. But it wasn't at all clear in the beginning.