仅仅做到我们的最好是不够的，有时候我们得达到要求。
All our dreams can come true if we have the courage to pursue them.
To be a philosopher is not merely to have subtle thoughts, nor even to found a school, but so to love wisdom as to live according to its dictates.
The value of drones lies not in flying, but in implementation.
The ultimate tragedy is not the oppression and cruelty by the bad people but the silence over that by the good people.