Mixing one's wines may be a mistake, but old and new wisdom mix admirably.
Everyone chases after happiness, not noticing that happiness is right at their heels.
Science knows only one commandment - contribute to science.
Society cannot share a common communication system so long as it is split into warring factions.
Poverty makes you sad as well as wise.
Don't be afraid of death so much as an inadequate life.
War is like love it always finds a way.
Intelligence is not to make no mistakes, but quickly to see how to make them good.
The world of knowledge takes a crazy turn when teachers themselves are taught to learn.
Why be a man when you can be a success?
Don't tell me peace has broken out.
There are many elements to a campaign. Leadership is number one. Everything else is number two.
Because things are the way they are, things will not stay the way they are.