4 ms·“The best time to plant a tree is 25 years ago. The second best time is now.”by joshspankit 2y ago“The best time to plant a tree is 25 years ago. The second best time is now.”adamomada 2y agoWouldn’t the second-best time by that be 25 years ago less a second?cjk2 2y agoWhy not a picosecond after the first one? What is the smallest unit of time? Does it even make sense when you get there? Now I've got a headache.