We have our hands, we have our brains, we have the challenge all around us, and we have within (from whatever source) the will to strive. That is enough; there is no need to assert 'belief' in that which we do not, as yet, know.
Robert A. HeinleinFrom somewhere, back in my youth, heard Prof say, 'Manuel, when faced with a problem you do not understand, do any part of it you do understand, then look at it again.' He had been teaching me something he himself did not understand very wellโsomething in mathโbut had taught me something far more important, a basic principle.
Robert A. HeinleinFrom the strictest humanitarian viewpoint, any attempt to stop the processes by which over crowded cities purge themselves is not a kindness.
Robert A. HeinleinLove is that condition in which the happiness of another person is essential to your own.
Robert A. Heinlein