"تعدیل یک عامل اصلی در این تولید دائمی تازگی است"
“Scientific knowledge is in perpetual evolution; it finds itself changed from one day to the next”
“It is with children that we have the best chance of studying the development of logical kn...”
“In scientific thought, a process of verification arises out of the necessity of resolving ...”
“Every acquisition of accommodation becomes material for assimilation, but assimilation alw...”
“Before you diagnose yourself with depression or low self-esteem, make sure that you’re n...”
“There is only one quality worse than hardness of heart and that is softness of head.”
“The best thing I did was to choose the right heroes”
“Innovation distinguishes between a leader and a follower.”
“You can't force your will on people. If you want them to act differently, you need to insp...”
“True desire in the heart for anything good is God’s proof to you sent beforehand to indi...”
“If I had asked people what they wanted, they would have said faster horses.”
“There’s a field somewhere beyond all doubt and wrong doing. I’ll meet you there.”
“I care not what others think of what I do, but I care very much about what I think of what...”
“He will win who knows when to fight and when not to fight.”