I can, therefore I am.
If you think you can do it, you can.
By failing to prepare, you are preparing to fail.
To know oneself, one should assert oneself.
You never know what motivates you.
Quality is not an act, it is a habit.
Well done is better than well said.
Problems are not stop signs, they are guidelines.
Who seeks shall find.
Be kind whenever possible. It is always possible.
Speaking from my experience as a person involved for a long time in building the European Union, it is important to have patience and efforts to build a community of nations.