The supreme reality of our time is the vulnerability of this planet.

More quotes by John F. Kennedy

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"Ask not what your country can do for you — ask what you can do for your country."

- John F. Kennedy

Responsibility

"Leadership and learning are indispensable to each other."

- John F. Kennedy

Leadership

"Victory has a hundred fathers and defeat is an orphan."

- John F. Kennedy

Leadership

"Change is the law of life, and those who look only to the past and present are certain to miss the future"

- John F. Kennedy

Change

"Change is the law of life. And those who look only to the past or present are certain to miss the future."

- John F. Kennedy

Change

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"What starts on Monday should carry through to Friday; that is, enthusiasm."

- Byron Pulsifer

Environment

"Technology is destructive only in the hands of people who do not realize that they are one and the same process as the universe."

- Alan Watts

Environment

"Inability to accept the mystic experience is more than an intellectual handicap. Lack of awareness of the basic unity of organism and environment is a serious and dangerous hallucination. For in a civilization equipped with immense technological power, the sense of alienation between man and nature leads to the use of technology in a hostile spirit—to the 'conquest' of nature instead of intelligent co-operation with nature."

- Alan Watts

Environment

"Leave nothing but footprints, take nothing but photos, kill nothing but time."

Environment

"Bees are a sign of environmental health. A world without bees is a world that has lost its way."

Environment