The great powers are always searching for opportunities to gain power at the expense of their rivals, which makes them inherently aggressive.
The only limit to our realization of tomorrow will be our doubts of today.
"The world is full of signs, but we are often too blind to see them."
The struggle for survival is the essence of life.
The biggest regret in life is giving up what should not be given up easily, and stubbornly persisting in what should not be persisted.