인생의 비극은 목표를 달성하지 못하는 것이 아니라, 달성할 목표가 없는 것이다.

All our knowledge begins with the senses.

Surround yourself with people who see things in you that you don’t even see in yourself.

Someone‘s sitting in the shade today because someone planted a tree a long time ago.

You can’t add days to your life, but you can add life to your days.

The journey of a thousand miles begins with a single step towards knowledge.

Life is a sum of all your choices. So, what are you doing today?

Science is organized knowledge. Wisdom is organized life.

성공이란 열정을 잃지 않고 실패를 거듭할 수 있는 능력이다.

Experience without theory is blind, but theory without experience is mere intellectual play.

Education is not preparation for life; education is life itself.

Three things tell a man: his eyes, his friends and his favorite quotes.

It is never too late to become reasonable and wise.

Don't let the world change your smile, let your smile change the world.

To understand that the sky is everywhere blue we need not go round the world.