Never complain and never explain.
Without hard work, nothing grows but weeds.
To know oneself, one should assert oneself.
Begin to be now what you will be hereafter.
By failing to prepare, you are preparing to fail.
Problems are not stop signs, they are guidelines.
Always desire to learn something useful.
Be gentle to all and stern with yourself.
To be a good loser is to learn how to win.
Well done is better than well said.
The doubt of an earnest, thoughtful, patient and laborious mind is worthy of respect. In such doubt may be found indeed more faith than in half the creeds.