I completely agree with your thoughts..!!
Tough time never last but tough people do..!!
There is theory of change and another theory of permanence..!! We need something to measure change some constant ...!!
Same with life obstacles are permanent. It's definition changes ...!! Few fights for bread fee for money and land ...!!
But only those who succeeded who fought all odds, obstacle and got glory, rest kept finding excuses and dreaming.
Keep posting on diverse topics :-)