You too must not count too much on your reality as you feel it today, since like yesterday, it may prove an illusion for you tomorrow.

Whatever is a reality today, whatever you touch and believe in and that seems real for you today, is going to be - like the reality of yesterday - an illusion tomorrow.

Only put off until tomorrow what you are willing to die having left undone.

What is fanaticism today is the fashionable creed tomorrow, and trite as the multiplication table a week after.

An economist is an expert who will know tomorrow why the things he predicted yesterday didn't happen today.

Answer violence with violence. If one of us falls today, five of them must fall tomorrow.

No company can afford not to move forward. It may be at the top of the heap today but at the bottom of the heap tomorrow, if it doesn't.

I'll have a different answer tomorrow that I do today.

Don't take tomorrow to bed with you.

Remember, tomorrow is promised to no one.

Most important thought, if you love someone, tell him or her, for you never know what tomorrow may have in store.

The future starts today, not tomorrow.

Tomorrow is no man's gift.

It's always great to discover a new star of tomorrow.

Therefore, you are not training young people for the world of today and the world of tomorrow unless you are doing proven technology training. That is one of the reasons I'm so concerned.