We don't want to be like the leader in the French Revolution who said There go my people, I must find out where they are going so I can lead them.

Things do not happen. Things are made to happen.

Forgive your enemies, but never forget their names.

This country cannot afford to be materially rich and spiritually poor.

Let us not seek the Republican answer or the Democratic answer, but the right answer. Let us not seek to fix the blame for the past. Let us accept our own responsibility for the future.

One person can make a difference, and everyone should try.

No responsibility of government is more fundamental than the responsibility of maintaining the highest standard of ethical behavior for those who conduct the public business.

Those who make peaceful revolution impossible will make violent revolution inevitable.

Change is the law of life. And those who look only to the past or present are certain to miss the future.

Don't pray for an easy life, pray to be a stronger man.

If a free society cannot help the many who are poor, it cannot save the few who are rich.

They blended religion and art and science because, at base, science is no more than an investigation of a miracle we can never explain, and art is an interpretation of that miracle.

I am not deeply involved in Australian politics but I know there are prime ministers, governments around the world who are not acting responsibly in relation to climate change.

I probably write a poem every 50 years.

Humility is a virtue when you have no other.

My thing is to be ready to pitch every five days and give my team a chance to win.

Animals know nothing of themselves, and they also know nothing of the world.

Global warming is the greatest and most successful pseudoscientific fraud I have seen in my long life as a physicist.

Rationality of thought imposes a limit on a person's concept of his relation to the cosmos.

I have been working since I was 14, nonstop.

In order to have a TV series, you have to have a good idea for the story.