身体单薄无力,就不要去背负重物,说话没有分量,就不要去规劝别人;没有钱就不要到人群中去,遭遇困难之际千万别去寻求亲戚的帮助。
邪恶获胜的唯一必要条件是好人无所作为。
In the realm of quantum materials, we are constantly surprised by the richness of phenomena that emerge from the collective behavior of electrons.
文明不是继承的;每一代人都必须重新学习和赢得它。