NASA astronauts have only managed to live continuously on the International Space Station (ISS) for a year and Biosphere 2 on Earth failed at two years of uninterrupted human habitation. Both cases required extracting the sickened people from the toxic environments. At this point it is ludicrous to talk about a permanent manned base on Mars.

~ Steven Magee

Steven Magee Astronauts Base Biosphere Both Cases Continuously Earth Environments Extracting Failed Habitation Human International International Space Station Iss Live Ludicrous Managed Manned Mars Nasa People Permanent Point Required Sickened Space Station Talk Toxic Uninterrupted Year

Thoughts have creative energy exhilaration is required to creates dissolves and recreates.

~ Kishore Bansal

Kishore Bansal Creative Dissolve Energy Exhilaration Required Thoughts

We can only be enlightened to the meaning of wise words only and only if life have put and made us requiring them.

~ Toba Beta

Toba Beta Enlightened Required Wise Words

Sometimes doing your best is not good enough. Sometimes you must do what is required.

~ Winston S. Churchill

Winston S. Churchill Best Required Try

Facts are always required to draw conclusions and make serious decisions.

~ Sunday Adelaja

Sunday Adelaja Conclusions Facts Required Serious

When a subject becomes totally obsolete we make it a required course.

~ Peter Drucker

Peter Drucker Required Subject Course

I have had all of the disadvantages required for success.

~ Larry Ellison

Larry Ellison Required Disadvantages Had