Problems are not stop signs, they are guidelines.
Be kind whenever possible. It is always possible.
To know oneself, one should assert oneself.
If you've got a talent, protect it.
Who seeks shall find.
What you do today can improve all your tomorrows.
The secret of getting ahead is getting started.
By failing to prepare, you are preparing to fail.
I can, therefore I am.
Well done is better than well said.
Science is a self-sufficient activity.
The thing about science is that it's an accurate picture of the world.