Moments fly, memories remain; and then memories fly, only memoirs remain and finally memoirs disappear, nothing remains!

The Moon is our local port opening to the universe; in the future, it's through that port we will sail our ships to the coastless oceans.

Anything which makes you feel tiny also motivates you to be big!

Don't wait for anything; simply because what you are waiting for may never come!

Starting from the primary schools, there must be compulsory 'Cosmos' classes throughout the education period. If a man thinks about and understands the universe, he will have wider horizons; he will be much less conceited and much more realistic.

Universe will be a very small place once we solve our speed problem! When that day comes, no man will talk about the greatness of the universe! All greatness comes from our smallness and from our slowness!

Without knowing every single detail in a man's life, we cannot judge whether he is a good person or not!