Mathematics is not a spectator sport—you have to engage with it to appreciate its beauty.
数学不是观赏性运动——你必须参与其中才能欣赏它的美。
Non-violence is the greatest force at the disposal of mankind.
There is nothing which I dread so much as a division of the republic into two great parties, each arranged under its leader, and concerting measures in opposition to each other.
Leadership is about making others better as a result of your presence and making sure that impact lasts in your absence.
Local communities must be stakeholders in aquaculture, not just bystanders.