1.0Trainyhttps://www.trainy.co/blogBenhttps://www.trainy.co/blog/author/ben/rich600338<blockquote class="wp-embedded-content" data-secret="OEB5uMb8Dt"><a href="https://www.trainy.co/blog/en/Berkshire-Hathaway-secret/">Warren Buffett: the investment principles that built Berkshire Hathaway</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.trainy.co/blog/en/Berkshire-Hathaway-secret/embed/#?secret=OEB5uMb8Dt" width="600" height="338" title="« Warren Buffett: the investment principles that built Berkshire Hathaway » — Trainy" data-secret="OEB5uMb8Dt" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://www.trainy.co/blog/wp-includes/js/wp-embed.min.js </script> https://www.trainy.co/blog/wp-content/uploads/2026/6/Cover-311.jpg19201080Few investors have left as profound a mark on the history of finance as Warren Buffett. Nicknamed the "Oracle of Omaha," he became one of the richest people in the world thanks to an investment approach that appears, at first glance, surprisingly simple. Yet behind this apparent simplicity lies an extraordinary level of discipline, applied with remarkable consistency for more than sixty years.