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"The mind that opens to a new idea never returns to its original size."

— attributed to Albert Einstein

The Autocrat of the Breakfast-Table

Not a Stoic. Albert Einstein is classed as Contemplative & Other: Voices from outside the Greco-Roman tradition, included here for reflection. These are not Stoic in origin.

More quotes from Albert Einstein

• "If you cannot explain something in a simple way, you do not understand it well enough."
• "Knowledge is limited; imagination involves the world."

All Albert Einstein quotes

More from the Contemplative & Other collection

• "One can achieve great success when one remains true to oneself."
  — Friedrich Nietzsche
• "Know all the theories, master all the techniques, but when touching a human soul, be just another human soul."
  — Carl Jung
• "Silence is a source of great strength."
  — Lao Tzu

Browse all quotes · Philosophers · Disputed & misattributed