Fresh as an apple
Always be yourself, express yourself, have faith in yourself, do not go out and look for a successful personality and duplicate it.
Action is the foundational key to all success.
Desire is the key to motivation, but it's determination and commitment to an unrelenting pursuit of your goal - a commitment to excellence - that will enable you to attain the success you seek.
Insanity - a perfectly rational adjustment to an insane world.
Do not worry about your difficulties in Mathematics. I can assure you mine are still greater.