Hi,it's just the way of talking about "gainning more real life experiences ",so you will be much more thoughtful and better at dealing with the fitting situation in the near future.
In Vietnam ,we say "đi một ngày đàng,học một sàng khôn".it means that the more life experiences you gain each day,the smarter you become.
Hope we can exchange language soon.feel free to add me onto your skype: thebang.vu