After a storm comes a calm.
If you think you can do it, you can.
To know oneself, one should assert oneself.
Be gentle to all and stern with yourself.
Never complain and never explain.
Go for it now. The future is promised to no one.
The wise does at once what the fool does at last.
Be thine own palace, or the world's thy jail.
Leap, and the net will appear.
Without hard work, nothing grows but weeds.
Many who have had an opportunity of knowing any more about mathematics confuse it with arithmetic, and consider it an arid science. In reality, however, it is a science which requires a great amount of imagination.