No one cares how much you know, until they know how much you care

There is no question climate change is happening. The only arguable point is what part humans are playing in it.

It is a cliche that most cliches are true, but then like most cliches, that cliche is untrue.

Everybody is ignorant, only on different subjects.

Yesterday is but today's memory and tomorrow is today's dream.

Mistakes are always forgivable, if one has the courage to admit them.

Instinct is a marvellous thing. It can neither be explained nor ignored.

Meditation will bring you sensitivity, a great sense of belonging to the world. It is our world - the stars are ours, and we are not foreigners here. We are part of it, we are the heart of it.

Drop the idea that you are Atlas carrying the world on your shoulders. The world would go on even without you. Don't take yourself so seriously.

Intellectuals solve problems, geniuses prevent them.

Sometimes you will never know the value of a moment until it becomes a memory.

You are the bows from which your children as living arrows are sent forth.

Choose rather to be strong of soul than strong of body.

It is always advisable to perceive clearly our ignorance.

It is better to remain silent and be thought a fool than to open one's mouth and remove all doubt.

To avoid criticism say nothing, do nothing, be nothing.

To a wise and good man the whole earth is his fatherland.

Real knowledge is to know the extent of one's ignorance.

A precedent embalms a principle.

Thought can be so seductive and hypnotic that it absorbs your attention totally, so you become your thoughts.

There are things known and there are things unknown, and in between are the doors of perception.