Worry does not empty tomorrow of its sorrow. It empties today of its strength.

Death comes to all, but great achievements build a monument which shall endure until the sun grows cold.

One of the tests of leadership is the ability to recognize a problem before it becomes an emergency.

I claim that human mind or human society is not divided into watertight compartments called social, political and religious. All act and react upon one another.

Climate change is a terrible problem, and it absolutely needs to be solved. It deserves to be a huge priority.

Here is the rule to remember in the future, When anything tempts you to be bitter: not, 'This is a misfortune' but 'To bear this worthily is good fortune.'