"Do it now. Sometimes 'later' becomes never." means that when we keep postponing something, there's a risk we might never do it at all. People often say "I'll do it later," but over time, that "later" can turn into excuses, distractions, or simply being forgotten.
The message encourages taking action immediately instead of waiting for the “perfect time,” because that perfect moment may never come. It reminds us that acting now even in small ways is bet.