We can't solve problems

"We can't solve problems by using the same
 kind of thinking we used when we created them."

Education is what remains

"Education is what remains after one
 has forgotten everything he learned in school."

Anyone can hide

“Anyone can hide. Facing up to things, working
 through them, that's what makes you strong.”
 Sarah  Dessen

Tears shed for another person

“Tears shed for another person are not a sign of weakness.
 They are a sign of a pure heart.”
 José N. Harris

Strength does not come

“Strength does not come from physical capacity.
 It comes from an indomitable will.”
 Mahatma Gandhi

Great spirits

"Great spirits have often encountered
 violent opposition from weak minds."

Not everything

"Not everything that counts can be counted,
and not everything that can be counted counts."

Do not worry

"Do not worry about your difficulties in Mathematics.
 I can assure you mine are still greater."

A person starts to live

"A person starts to live when
 he can live outside himself."

Weakness of attitude

"Weakness of attitude becomes
weakness of character."