I'd trade all my tomorrows for a single yesterday.

Everything in the world is about sex except sex. Sex is about power.

Those who want to live, let them fight, and those who do not want to fight in this world of eternal struggle do not deserve to live.

Let silence take you to the core of life.

Life is nothing but a competition to be the criminal rather than the victim.

One day you will ask me which is more important? My life or yours? I will say mine and you will walk away not knowing that you are my life.

Middle age has been defined as what happens when a person's broad mind and narrow waist change places.

We must be willing to fail and to appreciate the truth that often 'Life is not a problem to be solved, but a mystery to be lived.'

Today, more than ever before, life must be characterized by a sense of Universal responsibility, not only nation to nation and human to human, but also human to other forms of life.

History is a set of lies agreed upon.

Work harder on yourself than you do on your job.

As you go through life, you've got to see the valleys as well as the peaks.

Dwell on the beauty of life. Watch the stars, and see yourself running with them

We must all obey the great law of change. It is the most powerful law of nature.

History has shown there are no invincible armies.

You can find the entire cosmos lurking in its least remarkable objects.

When someone leaves, it's because someone else is about to arrive.

Science is the most reliable guide for civilization, for life, for success in the world. Searching a guide other than the science is meaning carelessness, ignorance and heresy.

The past is the best prophet of the future.

Old age is by nature rather talkative.

The 'good old times'-all times, when old, are good.