If someone says that he can think or talk about quantum physics without becoming dizzy, that shows only that he has not understood anything whatever about it. -- Murray Gell-Mann
Some suggestions for you :
A happy life is one which is in accordance with its own nature.
A country's assets reside in the tinkerers, the hobbyists, and the risk-takers.
No one is completely unhappy at the failure of his best friend.
A good maxim allows you to have the last word without even starting a conversation.
Absolute silence leads to sadness. It is the image of death.