There is a saying in Tibetan, 'Tragedy should be utilized as a source of strength.'
No matter what sort of difficulties, how painful experience is, if we lose our hope, that's our real disaster.
life pain strength tragedy Experience
Do not worry about your difficulties in Mathematics. I can assure you mine are still greater.
Assure Difficulties Greater I I Can
Ad astra per aspera. (To the stars through difficulties.)
hope humanity life Life
Courage and perseverance have a magical talisman, before which difficulties disappear and obstacles vanish into air.
Before Courage Difficulties Disappear Into
Difficulties strengthen the mind, as labor does the body.
Difficulties Does Labor Mind Strengthen
If you are in difficulties with a book, try the element of surprise: attack it at an hour when it isn't expecting it.