The greatest obstacle to true learning is the inability to say "I don't know.

Age is no barrier. The only barrier is the mind.

Life is like swimming in the ocean: no sooner do you surmount one wave then you're confronted with another

We are the mountains we must cross.

There are obstacles one can overcome only through indifference.

Life is like swimming in the ocean. No sooner has one surmounted one wave then one is confronted with another.

There are obstacles one can surmount only through indifference.

There are obstacles one can conquer only through indifference.

Life is like swimming in the ocean. No sooner do you surmount one wave then you're confronted with another.