The best has yet to come means that we recognize that while present times are good, even better experiences are ahead. Imagine better times, even when things feel like they’re at their worse. The feeling won’t last, the moment wont last.

Time is on your side, time moves on and so can you. Keep in mind that the best is still ahead of you in life. You can live your best life, by putting in the time effort and energy into improving your potential in life.

There are many things to look forward to in life. “Create that anticipation by scheduling small joys like coffee dates, new hobby projects.” Focus on personal growth through learning new skills, improve health through fitness, build new relationships and strengthen existing ones, read books, or try new recipes to maintain a positive outlook. [1]

It’s an expression that encourages hope during challenges and expresses that positive events are still in the future. [2] Your peak has yet to come, maybe you haven’t reached your ultimate self yet. So why stop trying. It’s never too late to do your best. 

It’s important to maintain a “forward-looking, positive outlook.” In addition, “it means that whatever is happening now will be surpassed by something better. As Frank Sinatra sang, You ain’t seen nothing yet. [3] 

Reference:

[1] things to look forward to – Google Search

[2] the best has yet to come – Google Search

[3] https://forum.wordreference.com/threads/the-best-is-has-yet-to-come.3155454/