American journalist Charles Kuralt once said: "good teachers know how to bring out the best in students." To honour all the individuals who have chosen the mighty profession of teaching, World Teachers' Day is observed by United Nations Educational, Scientific and Cultural Organization (UNESCO) on October 5 every year since 1994.

The special day dedicated to teachers is being observed on October 5 in Armenia, Azerbaijan, Bangladesh, Bulgaria, Cameroon, Canada, Estonia, Germany, Lithuania, Macedonia, Maldives, Mauritius, Republic of Moldova, Netherlands, Pakistan, Philippines, United Arab Emirates, Kuwait, Qatar, Russia, Serbia and UK, among others.

Also check: Best teachers day messages, wishes, greetings

The Teachers' Day is celebrated throughout the world with special activities in schools and colleges arranged by students to honour their mentors for helping them in shaping a career.

However, Indians celebrate the Teachers' Day coinciding with the birth anniversary of second Indian President and academic philosopher Sarvepalli Radhakrishnan on September 5.

Check out 20 inspiring quotes by notable personalities on teaching profession here:

A good teacher can inspire hope, ignite the imagination, and instil a love of learning. — Brad Henry, Former Governor of Oklahoma

A good teacher, like a good entertainer first must hold his audience's attention, then he can teach his lesson. — John Henrik Clarke, Pan-Africanist writer

The best teacher is an entertainer. — Bob Keeshan,  American actor

A great teacher who is full of excitement and love for her students can make all the difference in their lives. — Deval Patrick, Former Governor of Massachusetts

The best teacher is very interactive. — Bill Gates, Microsoft founder

Parents can shape a child, but a great teacher can, too. — Susanne Bier, Danish film director

A teacher enlarges people in all sorts of ways besides just his subject matter. — Wallace Stegner, American novelist

A teacher should have a creative mind. — APJ Abdul Kalam, Former Indian President

Every child grows; everything depends on the teacher. — Shinichi Suzuki, Japanese musician

Everyone who remembers his own education remembers teachers, not methods and techniques. The teacher is the heart of the educational system. — Sidney Hook, American philosopher

The teacher who is indeed wise does not bid you to enter the house of his wisdom but rather leads you to the threshold of your mind. — Khalil Gibran, Lebanese-American writer

It's the teacher that makes the difference, not the classroom. — Michael Morpurgo, English author

Of all the hard jobs around, one of the hardest is being a good teacher. — Maggie Gallagher, American writer

Any good teacher knows how important it is to connect with students and understand our culture. — Adora Svitak, American writer

The best teacher is the one who suggests rather than dogmatizes, and inspires his listener with the wish to teach himself. — Edward G. Bulwer-Lytton, English novelist

A teacher is a person who never says anything once. — Howard Nemerov, American poet

A teacher must believe in the value and interest of his subject as a doctor believes in health.  â€” Gilbert Highet, Scottish-American writer

A true teacher defends his students against his own personal influences. — Amos Bronson Alcott, American teacher

 A teacher who is not dogmatic is simply a teacher who is not teaching. â€” Gilbert K. Chesterton, English writer

It is the supreme art of the teacher to awaken joy in creative expression and knowledge. — Albert Einstein, German-born theoretical physicist