Synetics

Which is wiser? a pen or pencil?
A pen. Pens are not allowed to make mistakes because you can not erase them.

Which is easier to forgive? a street or a sidewalk?
A sidewalk. Streets kill people.

Which is smarter? A clock or a calendar?
A clock. You could not have a calendar without a clock.

Which is easier to teach? a question or an answer?
An answer. Questions are too complicated

Which is like a contest? a cloud or a sunset?
A cloud. It tries to block out the sun.

Which is more fearful? new or old?
Old is more fearful. Old people are afraid of everything.

Which is like a promise? Mathematics or science?
Mathematics, it is a promise to be impossible to understand everyday.

Which is more difficult? a dream or a nightmare?
A nightmare. I don't remember my dreams.

Which is braver? an hour or a year?
A year. It takes more to live through a year than an hour.

Which has more pride? an entrance or an exit?
An entrance. Exits are shameful.