文贵简，简则明；文贵疏，疏则通。
文章贵在简洁，简洁则明了；文章贵在疏朗，疏朗则通畅。
"When you have a dream, you've got to grab it and never let go."
The structure of the international system, not the intentions of individual states, is the primary determinant of state behavior.
"The beauty of quantum mechanics lies in its ability to reveal the hidden connections between seemingly unrelated phenomena."
Problem-solving often requires restructuring one's mental representation of the situation.