The belief that youth is the happiest time of life is founded upon a fallacy. The happiest person is the person who thinks the most interesting thoughts, and we grow happier as we grow older.

Imagination is essential and it comes first, for without imagination we are aimless.

Better than a thousand useless sayings is one single meaningful word which brings peace.

“Act as if what you do makes a difference. It does.”

The harder you work, the harder it is to surrender.

Nature's great book is written in mathematical language.

Success is not about seeking constant external recognition; it's about finding fulfillment in making a positive impact and leaving a legacy for future generations.