Different tenses and perspectives offer you different things. It helps to distinguish the world that they are in.
Tim WintonNothing is as daunting as the threats associated with global warming. That's the biggie. Everyone bangs on about rising sea levels but the real challenge of a warming planet is ocean acidification. An acid ocean spells the end of life on earth.
Tim WintonWhether you're in the water staring up at a looming set or standing in front of 15000 people at a demo, you have to manufacture some courage and a sense of optimism in order to get through the moment, the day, the rest of your life.
Tim Winton