The only reason we try to have no thought is to understand the universe, but how often do you want to understand the universe in your everyday life? The majority of the time you are dealing with your everyday life, so be careful not to go to the extreme.
The intersection of the macro universe and the micro universe will create a gate, or a door. Lao Tzu called this "the door to all wonders". This is where yin and yang merge harmoniously. This is also called the Middle Way.
When humans understand Tao, we understand the Tao within ourselves, not the true Tao. Tao doesn't belong to any one or any place; Tao is natural. It doesn't matter where you go, it will always be there. No one can claim ownership of it.
If you cannot observe it, then you must meditate, contemplate and imagine it. It is wondrous that if you contemplate long enough, then eventually you will see it. When you are able to see something that cannot really be seen - that is wondrous.