Never complain and never explain.
Wherever you are - be all there.
Without hard work, nothing grows but weeds.
Things do not happen. Things are made to happen.
To know oneself, one should assert oneself.
The wise does at once what the fool does at last.
Only the educated are free.
Know or listen to those who know.
Be kind whenever possible. It is always possible.
Well done is better than well said.
Good management is the art of making problems so interesting and their solutions so constructive that everyone wants to get to work and deal with them.