Diplomacy requires constant dialogue with other countries to enhance mutual understanding and trust.

The only limit to our realization of tomorrow will be our doubts of today.

L'argent est le nerf de la guerre.

哪里有权力，哪里就有抵抗。

现代化学家不满足于仅仅成为化合物的制造者；他必须是自然的解释者。