Thinkers aren't limited by what they know, because they can always increase what they know. Rather they're limited by what puzzles them, because there's no way to become curious about something that doesn't puzzle you.

Don't try to drive the homeless into places we find suitable. Help them survive in places they find suitable.

There are indeed times when one should TRUST blindly, just as there are times when one should not. WISDOM consists in being able to tell one from the other.

You've been in love with someone for a decade - someone who barely knows you're alive. You've done everything, tried everything to make this person see that you're a valuable, estimable person, and that your love is worth something. Then one day you open the paper and glance at the Personals column, and there you see that your loved one has placed an ad... seeking someone worthwhile to love and be loved by.

I hope it will not be too long before the technologies that support our population explosion begin to be perceived as no less hazardous to the future of life on this planet than the endless production of radioactive wastes.

Wow, just imagine missing school on the day when they were learning blue. You'd spend the rest of your life wondering what color the sky is.

No one species shall make the life of the world its own.' … That's one expression of the law. Here's another: 'The world was not made for any one species.