可持续性领导力意味着做出将在20年后受到赞扬的决定，而不仅仅是明天。
Leadership in sustainability means making decisions that will be praised in 20 years, not just tomorrow.
真正的进步不仅仅以利润衡量，而是以积极的影响衡量。
言语有力量，但沉默可能更有力量。
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
作家是所有独裁的敌人，无论是左翼还是右翼。