The Power of Learning:

• “Education is not preparation for life; education is life itself.” – John Dewey, philosopher and educational reformer.
• “The beautiful thing about learning is that nobody can take it away from you.” – B.B. King, musician.
• “One book, one pen, one child, and one teacher can change the world.” – Malala Yousafzai, education activist.
• On Overcoming Challenges:
• “The mind is everything. What you think you become.” – Buddha, spiritual leader.
• “Don’t let what you cannot do interfere with what you can do.” – John Wooden, basketball coach.
• “It is during our darkest moments that we must focus to see the light.” – Aristotle Onassis, Greek shipping magnate.

On Believing in Yourself:

• “You are capable of amazing things.” – Mrs. Frizzle, Magic School Bus teacher.
• “There is no substitute for hard work.” – Thomas Edison, inventor.
• “Doubt kills more dreams than failure ever will.” – Suzy Kassem, writer.

On Making a Difference:

• “The purpose of education is to turn mirrors into windows.” – Sydney Harris, columnist.
• “A teacher affects eternity; he can never tell where his influence stops.” – Henry Adams, historian.
• “Go confidently in the direction of your dreams. Live the life you have imagined.” – Henry David Thoreau, philosopher and writer.
• “Never underestimate the power of a simple thank you.” – Unknown.

These are just a few examples, and the "greatest" quote will be subjective and depend on the individual student and their journey. However, hopefully, these quotes can spark inspiration and remind us of the profound impact teachers can have on their students.

Remember, great teachers often weave many valuable lessons into their everyday interactions and actions. It's not just about the specific words they say, but also the passion, dedication, and belief they demonstrate that can truly light a fire in a student's heart.